Test 2015De Rosa Protos

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 · 09.12.2014

Test 2015: De Rosa ProtosPhoto: Markus Greber
Test 2015: De Rosa Protos
Notes, measured values and technical data for the De Rosa Porto can be found here.

Price complete wheel 7,850 Euro
Price frame set 3,999 Euro
Weight 7.3 kilos
Reference/Info www.derosanews.com

Frame sizes** 42, 45, 48, 50, 52, 54, 56, 58 cm, made to measure
Seat/steering angle 73,5/74°
Seat/top tube/head tube 575/565/157 mm plus 15 mm headset cap
Wheelbase/caster 990/48 mm
Stack/Reach/STR*** 559/397 mm/1.41

EQUIPMENT

Steering bearing FSA, top 1-1/8, bottom 1-1/4 inch
Brakes/gears/bottom bracket Campagnolo Chorus EPS (53/39 t., BSA)
Wheels/tyres Vision Metron 40/Vittoria Open Corsa Pro (24 mm)
Handlebar/stem FSA K-Force Carbon/FSA OS99
Saddle/post Selle Italia SLR/FSA K-Force Carbon (31.6 mm)

MEASURED VALUES & INDIVIDUAL NOTES

Weight of complete wheel 7.3 kg (without pedals)
Weight frame/fork/steering bearing**** 1.135/427/73 g
Standardised weight frame set***** 1.651 g: 2,7
Steering head stiffness 83 Nm/°: 1.7
Lateral stiffness fork 40 N/mm: 3.3
Bottom bracket stiffness 56 N/mm: 1.7
Comfort frame 198 N/mm: 2.3
Comfort fork 96 N/mm: 4.7

  Test 2015: De Rosa ProtosPhoto: TOUR Magazin Test 2015: De Rosa Protos  Test 2015: De Rosa ProtosPhoto: TOUR Magazin Test 2015: De Rosa Protos

*The frame set accounts for 40 per cent of the overall score and the features for 60 per cent. This evaluation includes individual grades, which we have only partially printed for reasons of space. The grades are calculated up to the final grade with all decimal places; however, for the sake of clarity, all grades are given with rounded decimal places.
**Manufacturer's specifications; test size bold.
***Stack/Reach: projected vertical/horizontal dimension from the centre of the bottom bracket to the top of the head tube;
STR (Stack to Reach): 1.36 means a very stretched, 1.60 an upright sitting position.
****Weighted weights.
*****Adjusted weight for frame size 57 cm and fork steerer length 225 mm.

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