Torque spanner test: 12 models for the workshop and on the go

This article was first published in January 2023 and was revised in November 2025.

Test torque spanner - Short & sweet

Because many screw connections on the racer are delicate and connect safety-relevant components, you should always use a torque spanner when tightening screws. On the one hand, the precision tool prevents the screw connection or component from being damaged by excessive forces and, on the other hand, prevents the connection from not being secure due to insufficient screw force.

We tested eight spanners for the workshop, plus four for travelling. The latter are hardly inferior to the workshop tools in terms of precision, but are suitable for a narrower and lower torque range.

Stem, handlebars, saddle clamp: there is hardly a bolted connection on a road bike that does not have a torque specification in Newton metres (Nm). "4 Nm", "6 Nm" or "12 Nm" are often printed or laser-engraved in small letters on the various components. But what does 4 Newton metres mean, for example, as is often required on carbon handlebars? Approximately hand-tight? For such a sensitive component, on which the safety of the cyclist also depends, that would be about as precise as saying "a pinch of salt" in a baking recipe.

Test of torque spanners for the workshop

• 3min19sec Premium torque spanner
• BBB Torqueset BTL-73
• Birzman Torque Wrench 3-15Nm
• Gedore Bike Set Torque
• Park Tool TW-5.2
• Pedro's Pro Torque Wrench 2.0
• Topeak D-Torq
• Wera Bicycle Set Torque 1

Torque spanner for travelling in the test

• Birzman Pocket Torque Wrench 2-10 Nm
• Lezyne Pocket Torque Drive
• Silca T-Ratchet + TI-Torque Kit
• Topeak Ratchet Rocket Lite NTX+

Solid tool from 70 euros

According to the definition, a one metre long lever would have to be loaded with 0.4 kilos in order to apply the corresponding torque to the stem bolt. However, as this is almost impossible to achieve when screwing, there are torque spanners that crack when the set value is reached and briefly tilt.

Spanners with the so-called short travel release cover around 90 per cent of the market and are ideal for the hobby workshop. In our test, seven of the eight models for the workshop are equipped with this robust mechanism.

For as little as 70 euros, you can get solid tools that allow you to precisely tighten the bolts on sensitive parts such as carbon handlebars or seat clamps. Carbon fibre reacts particularly sensitively to clamping forces. One bold twist and the expensive part is ruined or, even worse, it breaks during the next use. However, aluminium also has a pronounced memory for damage and can quickly become a safety risk once overloaded.

A torque spanner is therefore part of every workshop's basic equipment. If you don't want to miss out on correct tightening torques when travelling, you are well advised to use one of the four handy tools in the test. (see below)

Permissible tolerance for torque spanners

They usually have a drag indicator that shows the current torque on a small scale. The exception is the Lezyne tool, which uses a so-called slipping clutch to prevent overtightening of the screw connections. We used a calibrated measuring device to check how precisely the tools work. Most of the candidates are within the permissible tolerance of plus four to minus four per cent.

We were somewhat surprised that the spanners of well-known brands such as Parktool and Pedro's in particular produce quite a few deviations - even if the values are in the range of less than 0.5 Newton metres. However, whether a torque spanner delivers reliable values also depends heavily on the correct application. Jerky triggering quickly leads to the screws being overtightened.

You should therefore always work with the torque spanner evenly, slowly and in a controlled manner. The frequent re-tightening - to check whether the screw has really been tightened correctly, for example - is something of a deadly sin in torque handling and usually leads to increased values as reliably as a handball in the penalty area leads to a penalty kick in football.

Lengthening or shortening the lever also significantly changes the torque applied. You should therefore always grip the spanner in the centre of the handle and with even pressure distribution. Ideally, you will find a small mark on the handle that indicates the optimum point for applying force and also serves as the point of application when calibrating the spanner.

The Topeak D-Torq is the only workshop spanner in the test with a digital display. Even if the filigree tool shows slight weaknesses in handling, it does have one advantage over the competition: in the event that you continue to turn the screw even though the acoustic signal has long since warned you to stop, the spanner always displays the torque at the end.

But even without this additional safeguard, the torque spanners in the test are worlds better than your own instinct and ultimately ensure that the handlebars are correctly fixed in the stem and don't literally bend during the next emergency braking manoeuvre.

Interview with graduate engineer Dirk Zedler: "Screwing by feel can crush parts"

The interview was conducted by Stefan Frey

TOUR: Many amateur mechanics tighten bike bolts purely by feel. How dangerous is that?

Dirk Zedler: From the point of view of mechanical engineering, bicycles are absolutely lightweight. In fact, weight is saved on every detail. If screws are tightened by feel, this can damage more than just the thread itself. Carbon fibre components can be literally crushed. As a result, damaged components can fail during operation.

TOUR: Does aluminium react just as sensitively to excessive torque as carbon?

Zedler: Crushing is not a major issue here, and if a dent occurs in the aluminium frame, this is typically not a cause of breakage. It can become critical at the clamping points on the handlebars if constrictions occur here. Experts refer to this as notching, and sooner or later it can lead to a fatigue fracture.

TOUR: Is there only one "too firm"or can too little torque also cause problems?

Zedler: Handlebars can twist abruptly in the stem or stems in ruts on fork stems in the event of an impact. But cranks or pedals can also come completely loose and suddenly fall off if they are not correctly tightened. Seat post bolts are also particularly critical. Hence the urgent advice to stay within the torque ranges. And importantly: The bolts should be checked for the first time with the torque spanner after about ten to fifteen hours of operation and then at regular intervals and, depending on the rigours of use, about every 50 hours. The operating instructions contain precise information.

TOUR: What can I do if a component is not tight despite the correct torque?

Zedler: Tolerances during manufacture can hardly be avoided, so the first thing to check is whether the parts fit together. In the case of clamps where one partner is made of the composite material carbon, grease should be avoided at all costs. A thin layer of friction-enhancing carbon paste applied evenly on both sides works wonders here, and then it works within the specified torques.

TOUR: What should I do if a component has been overtightened?

Zedler: Not an easy question, and definitely not one that can be answered across the board. Once overtightened and then immediately loosened again, this is typically not a "broken leg". With critical carbon, crackling noises often indicate that the pressure was too high when tightening. The noises can also be heard when loosening. If this is the case, then it is definitely time for a replacement. Here too, I would advise you to consult experts.

>> Wrenching tips from the TOUR workshop

Torque spanner - The most important tips

What could possibly go wrong when tightening screws with a torque spanner? Plenty, as Rene Steuth, training expert at tool manufacturer Gedore, knows. Here are his tips for correct screwdriving!

1. setting

Always set the required torque from the higher value so that the mechanism inside relaxes and does not become tense. Grip the spanner in the centre of the handle with even pressure. Good wrenches have a mark where the centre finger should rest. Pull in a controlled manner with increasing force, never jerk. Stop the tightening process as soon as you release it so as not to overtighten. For low torques, you can also just press with the crook of your thumb in the centre of the handle or at the corresponding marking to achieve particularly precise values.

2. work cleanly

Insert the spanner precisely and straight into the screw. If the spanner is tilted, it may be released before the required torque is applied. Make sure that the threads of the screw connections and the screws themselves are clean and dry. If you drop a screw on the floor, you should clean it briefly before fitting it. Even the smallest particles of dirt change the coefficients of friction in the thread and on the screw head support. Friction ultimately accounts for up to 80 to 90 per cent of the torque.

3. the right direction

Do not use the torque spanner to loosen screws to prevent damage to the tool due to overtightened screws. Even if a spanner triggers in both directions, it is usually only calibrated in one direction. An arrow should indicate the corresponding direction of operation.

4. at the end - relax

Many amateur screwdrivers forget to release the torque spanner after use by setting it back to the lowest value on the scale. This protects the spring mechanism. However, do not turn further than the starting point on the scale.

5. only once

Even experienced mechanics often press a second time to make sure that the screw connection has been tightened correctly. This is unnecessary and increases the risk of overtightening the bolt. With the sensitive screw connections on the bike, it is easy to apply a few Newton metres too much, which can lead to the failure of a component. Multiple loosening is only necessary on parts that are secured by several bolts (bolt assembly), such as the brake disc or stem. Tightening one bolt reduces the preload force on the other, which is why it must be retightened.

6. quality control

Each torque spanner should be accompanied by a calibration certificate in accordance with DIN EN ISO 6789. Five measurements must be recorded at each of three defined measuring points, which must not exceed a tolerance of plus/minus 4 per cent. Certificates without an exact DIN specification and with only three tests per set value merely indicate that the manufacturer has carried out a quality check. It is recommended that the torque spanner is checked once a year or after 5000 load cycles and recalibrated if necessary, as frequent or incorrect use can affect the measuring accuracy.

Test torque spanner - How TOUR tests

>> Handling (50 %)

Good marks were awarded to candidates with a clear scale and precise adjustment. Spanners with displays missing graduation marks, which are prone to parallax errors or whose adjustment mechanisms showed play, received correspondingly poor marks. Bonus points were awarded for ergonomically shaped handles and easy tool changes on the drive.

>> Precision (20 %)

Normally, every torque spanner should come with a calibration certificate in accordance with DIN EN ISO 6789. We checked the accuracy using a calibrated testing device provided by Gedore. We rated the best spanners as "very good" and multiple deviations from the standard as a maximum of "sufficient".

>> Processing (10 %)

Errors in the surface finish or a noticeable amount of play in the drive mechanism mean a loss of points here. Most of the tested keys give little cause for criticism in this category.

>> Accessories (20 %)

A practical storage box protects the torque spanner and keeps bits or adapters organised. Expensive models such as those from Parktool or Pedro's are stingy here. Even the cheaper brands such as 3min19sec or BBB offer more accessories.

Test: Torque spanner for the workshop

3min19sec Premium torque spanner

• Price: 70 Euro >> available here
• Weight / length: 262 grams / 220 millimetres
• Test seal: Manufacturer test
• Range / drive: 2-26 Newton metres / 1/4 inch
• Accessories: Instructions, test seal, hexagon socket 2.5-10, Torx 25 and 30, softbox

TOUR rating

Handling (50 %) Grade 2.3
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 1.8
Processing (10 %) Grade 3.0

>> Overall grade (100 %) 2.0

ConclusionThe cheapest spanner in the test impresses with surprisingly precise measurement results and is the price-performance tip for hobby screwdrivers. The neatly lasered scale can be adjusted in 0.2 increments and covers a wide torque range. The stylish soft box contains the most important bits. Even if the short handle does not sit comfortably in the hand, it is still easy to work with the neatly finished spanner. During testing, the mechanism of the somewhat rough ratchet sometimes jammed. If the lock is not closed properly, the spanner can become misaligned.

BBB Torqueset BTL-73

• Price: 95 Euro >> available here
• Weight / length: 277 grams / 223 millimetres
• Test seal: Manufacturer test
• Range / drive: 2-14 Newton metres / 1/4 inch
• Accessories: Instructions, test seal, hexagon socket 3-8, Torx 25 and 30, softbox

TOUR rating

Handling (50 %) Grade 2.3
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 2.9
Processing (10 %) Grade 3.0

>> Overall grade (100 %) 2.2

Conclusion: In the lower torque range, the TorqueSet is slightly outside the standard values. The major drawback, however, is the difficult-to-read scale, which is prone to parallax errors and is not very intuitively translated. The adjustment mechanism is also stiff. The ratchet, on the other hand, has a clean ratchet, is easy to adjust and triggers audibly and perceptibly. Even though the plastic handle is not very comfortable to hold, the BBB tool is pleasant to work with. There is no indication of the correct direction of rotation, nor is there a full certificate. The BBB spanner comes in a fine soft box.

Birzman Torque Wrench 3-15Nm

• Price: 139 Euro >> available here
• Weight / length: 295 grams / 209 millimetres
• Test seal: Manufacturer test
• Range / drive: 3-14 Newton metres / 1/4 inch
• Accessories: Instructions, test seal, hexagon socket 3-8, Torx 25, 90 mm extension, hard box

TOUR rating

Handling (50 %) Grade 2.3
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 2.9
Processing (10 %) Grade 3.0

>> Overall grade (100 %) 2.2

ConclusionThe compact Birzman is not only appealing because of its high-quality metal look. Its neatly lasered scale is easy to read and can be set in increments of 0.1. The direction of rotation is also indicated. The adjustment mechanism runs very smoothly, but the locking ring must always be held down, which makes adjustment difficult. The short handle is not very ergonomic in the hand, but all values are within the standard range. When used correctly, this is a precise tool with six usable bits and a practical extension. The plastic case, on the other hand, is only standard.

Gedore Bike Set Torque

• Price: 159 Euro >> available here
• Weight / length: 407 grams / 284 millimetres
• Test seal: Declaration of conformity, ISO 6789-1
• Range / drive: 2.5-25 Newton metres / 1/4 inch
• Accessories: Instructions, test seal, hexagon socket 2-10, Torx 15-30, PH1, slotted bit 4, open-end spanner, socket spanner 10, 15; extension

TOUR rating

Handling (50 %) Grade 1.3
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 1.0
Processing (10 %) Grade 1.0

>> Overall grade (100 %) 1.2

ConclusionA comprehensive package at an attractive price. Perfectly balanced, intuitive to use and adjustable in 0.1 increments with an easy-to-read scale. The German-made spanner with interchangeable mushroom head also enables controlled left-hand tightening and sits securely in the hand thanks to its wide grip. Even if the ratchet head is somewhat coarse, it releases with a clear click. Leverage point and working direction are marked and a test certificate is available. Despite minimal deviations, all test values are in the green zone. Currently only available via Amazon.

Park Tool TW-5.2

• Price: 176 Euro >> available here
• Weight / length: 278 grams / 228 millimetres
• Test seal: not available
• Range / drive: 2-14 Newton metres / 3/8 inch
• Accessories: Instructions, hard box

TOUR rating

Handling (50 %) Grade 3.2
Precision (20 %) Grade 4.0
Accessories (20 %) Grade 3.8
Processing (10 %) Grade 5.0

>> Overall grade (100 %) 3.7

Conclusion: Parktool supplies the only spanner with a 3/8-inch socket, which seems somewhat oversized for this size. Almost all measured values are slightly out of tolerance - and there is no test certificate. The scale, which is difficult to read, and the rather clumsy adjustment mechanism are also not really convincing. The plastic handle of the slim spanner, on the other hand, feels good in the hand. The ratchet runs smoothly, but gives little feedback when the set torque is reached. For the price, the equipment is manageable - no bits, just a plastic box.

Pedro's Pro Torque Wrench 2.0

• Price: 139 Euro
• Weight / length: 719 grams / 295 millimetres
• Test seal: not available
• Range / drive: 6-30 Newton metres / 1/4 inch
• Accessories: Instructions, hard box

TOUR rating

Handling (50 %) Grade 3.3
Precision (20 %) Grade 3.0
Accessories (20 %) Grade 4.2
Workmanship (10 %) Grade 5.0

>> Overall grade (100 %) 3.6

Conclusion: By far the heaviest spanner in the test is quite large for most bolts on the wheel. The heavy weight and the poor balance of the tool are a nuisance when tightening; in addition, the measuring range only starts at 6 Nm and the values in the lower range are outside the tolerance. The stamped scale is difficult to read and can only be adjusted in 0.2 increments. The locking ring for the adjustment is well designed and the torque is clearly signalled when it is reached. The Pedro's also lacks a certificate. Apart from a storage box, there are no accessories.

Topeak D-Torq

• Price: 230 Euro >> available here
• Weight / length: 170 grams / 213 millimetres
• Test seal: Declaration of conformity, ISO 6789-1
• Range / drive: 1-20 Newton metres / 1/4 inch
• Accessories: Instructions, test seal, hexagon socket 2-6, Torx 25, PH2, magnetic extension, softbox

TOUR rating

Handling (50 %) Grade 2.2
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 1.3
Processing (10 %) Grade 1.0

>> Overall grade (100 %) 1.7

Conclusion: In addition to the very precise values, the digital Topeak has another plus: it always displays the current torque - good if you have overtightened. The filigree D-Torq can be set very precisely, but the tiny buttons are very fiddly and the display is extremely small. The set unit of measurement is almost impossible to decipher. The small plastic handle makes it almost impossible to tackle large screws. By the time you hear the signal for the correct tightening torque, you have usually already overtightened the screw slightly. Stylish box, well-chosen accessories and a fully-fledged test certificate!

Wera Bicycle Set Torque 1

• Price: from approx. 190 Euro >> available here
• Weight / length: 434 grams / 300 millimetres
• Test seal: Declaration of conformity, ISO 6789-1
• Range / drive: 2.5-25 Newton metres / 1/4 inch
• Accessories: Instructions, test seal, hexagon socket 3-8, Torx 10-30, socket 10-15, hexagon socket extension 5 and 6, softbox

TOUR rating

Handling (50 %) Grade 1.0
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 1.2
Processing (10 %) Grade 1.0

>> Overall score (100 %) 1.0 and is therefore the test winner

Conclusion: The Wera box will delight screwdrivers: In addition to the perfectly crafted spanner, the most important bits and two extensions are provided. Despite its size, the spanner fits perfectly in the hand and even small screws are easy to use. The scale is easy to read, finely adjustable and the mechanism engages cleanly. The tightening direction and grip point are also displayed. The Wera only triggers in one direction. A full test certificate is also available here. Wera refers to retailers for the price of the 16-piece set, which is available in online shops from around 190 euros.

Test torque spanner - For travelling

Birzman Pocket Torque Wrench 2-10 Nm

• Price: 50 Euro >> available here
• Carry-on weight: 91 gram
• Set weight: 142 grammes
• Length: 20 millimetres
• Test seal: not available
• Range / drive: 2-10 Newton metres / 1/4 bit
• Accessories: Instructions, hexagon socket 3-6, Torx 25, PH2, extension, hard box

TOUR rating

Handling (50 %) Grade 3.0
Precision (20 %) Grade 3.0
Accessories (20 %) Grade 2.7
Processing (10 %) Grade 3.0

>> Overall grade (100 %) 2.9

Conclusion: Birzman supplies a handy tool with a drag indicator for travelling. The display on the side is somewhat small and difficult to read correctly. In the test, the values were sometimes well below the tolerance. Using the finger lever is also not easy. If you lean on the housing, you can quickly distort the values. The scope of delivery includes six bits and an extension. The plastic box is not a really attractive case; a soft box for a rucksack or jersey pocket would be desirable. The ratchet mechanism works perfectly.

Lezyne Pocket Torque Drive

• Price: 65 Euro >> available here
• Carry-on weight: 75 gram
• Set weight: 156 grammes
• Length: 75 millimetres
• Test seal: not available
• Range / drive: 2-6 Newton metres / 1/4 bit
• Accessories: Instructions, hexagon socket 2.5-5, Torx 20 and 25, softbox

TOUR rating

Handling (50 %) Grade 2.3
Precision (20 %) Grade 2.0
Accessories (20 %) Grade 1.7
Processing (10 %) Grade 2.0

>> Overall grade (100 %) 2.1

Conclusion: The stylish soft case conceals six bits for the most important screw connections on the bike. The torque is set using a separate spanner. The scale is easy to read, but the right value is still difficult to set. If the setting is correct, the tool delivers solid values. With the attachable T-handle, the tool sits comfortably in the hand. However, it is difficult to reach hidden screws with the torpedo-like tool without an extension. The built-in slip clutch makes over-tightening virtually impossible. Not suitable for opening screw connections.

Silca T-Ratchet + TI-Torque Kit

• Price: 150 Euro >> available here
• Carry-on weight: 97 gram
• Set weight: 227 grammes
• Length: 100 millimetres
• Test seal: not available
• Range / drive: 2-8 Newton metres / 1/4 bit
• Accessories: Ratchet, extension, hexagon socket 2-6, Torx 10-25, PH2, waxed bag

TOUR rating

Handling (50 %) Grade 1.5
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 1.0
Processing (10 %) Grade 1.0

>> Overall grade (100 %) 1.3

Conclusion: The Silca tool impresses with its outstanding workmanship. The ratchet handle, torque attachment, extension and bits are stored in a waxed case. All connections are held in place magnetically. Even if the values on the drag indicator are somewhat difficult to read, the Silca achieves very precise torques. Handling is a real pleasure. Without the torque attachment, the tool can simply be used as a ratchet, which can be used for most work on the bike. In the latest version, the display has also been slightly enlarged.

Topeak Ratchet Rocket Lite NTX+

• Price: 80 Euro >> available here
• Carry-on weight93 grammes
• Set weight: 247 grammes
• Length: 93 millimetres
• Test seal: not available
• Range / drive: 2-6 Newton metres / 1/4 bit
• Accessories: Instructions, Ratchet, extension, chain rivet, hexagon socket 2-8, Torx 10-25, PH2, bag

TOUR rating

Handling (50 %) Grade 1.5
Precision (20 %) Grade 1.0
Accessories (20 %) Grade 1.0
Processing (10 %) Grade 1.0

>> Overall grade (100 %) 1.3

Conclusion: The Topeak tool is not quite as neat as the Silca, but thanks to the chain riveter it is the more complete tool and with the flat case it is even more compact. The scale on the torque attachment is also easier to read and delivers convincing values. Thanks to the extension, even hidden screws are easy to reach. With a T-handle like the Silca, handling would be even slightly better. On the other hand, the mechanics give no cause for criticism. Anyone who values correctly tightened screws when travelling and is looking for an inexpensive tool will find what they are looking for here.