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The 2023 KAYZA Hydric 5.7 Hardtail is a versatile e-bike fitted with high-quality components and suitable for a range of uses. The frame is made from robust 6061 aluminium and measures 46 cm, ensuring a stable and comfortable ride. The bike’s maximum load capacity is 130 kg, making it suitable for a range of rider profiles.
Braking power is provided by the ALHONGA “HT472” braking system with 2-finger brake levers, fitted with 180 mm ALHONGA “DRX1806” brake discs at both the front and rear. The gear system consists of a 9-speed SHIMANO “Acera” groupset, controlled via SHIMANO “Alivio” shifters, which enables precise and reliable gear selection.
The front fork is an RST “Blaze-ML-27.5” with 120 mm of travel and a tapered steerer tube, which effectively absorbs bumps on rough terrain. The pedals are VP model “VPE-506” and offer good grip in a variety of riding conditions.
Power is provided by a 4th-generation BOSCH mid-drive motor, model “Performance CX”, with an output of 250 W and a voltage of 36 V. The accompanying BOSCH “PowerPack 545” battery has a capacity of 545 Wh and is charged using a Bosch 4 A charger. The BOSCH “Purion” display offers four assistance levels and a push-assist function to provide the rider with optimal support.
The bike is fitted with CONTEC components, including the “Moab” handlebars with a diameter of 31.8 mm and a width of 740 mm, as well as the “Forge” stem with a length of 70 mm. The seatpost is the “Pillar” model from CONTEC, also finished in black.
The KAYZA “X18” hollow-wall rims are fitted to FORMULA hubs: the “DC-20” model at the front and the “EHL-148S” model at the rear. The black Niro spokes securely hold the MAXXIS “Rekon” tyres, size 27.5x2.4, in place on the rims.
The saddle is an SR “Vivo Sport Ergo”, which ensures comfort even on longer rides. A transparent chain guard from BLASE protects the chain and the rider from dirt. The CONTEC “Powerlock” battery-powered lock provides additional security.
With its well-thought-out features, the KAYZA Hydric 5.7 hardtail offers excellent value for money at a price of 3299 EUR and is suitable for both everyday use and sporty off-road excursions.
| Front brakes | ALHONGA "HT472", 2-finger, black |
| Brakes | ALHONGA "HT472", 2-finger, black |
| Front brake disc | ALHONGA "DRX1806", 180 mm |
| Rear brake disc | ALHONGA "DRX1806", 180 mm |
| Brake levers | ALHONGA "HT472", 2-finger, black |
| Frame | KAYZA Bosch, 6061 aluminium hardtail, 46 cm |
| Drivetrain | 9-speed SHIMANO "Acera" |
| Shift levers | SHIMANO "Alivio" |
| Number of gears | 9 |
| Fork | RST "Blaze-ML-27.5", 120 mm, tapered, black |
| Fork travel (mm) | 120 |
| Bottom bracket | BOSCH |
| Crankset | MIRANDA 172.5 mm |
| Sprocket | MIRANDA SHIMANO "ACSHG2009136" |
| Drive | SHIMANO "CN-LG-500" |
| Headset | VP "J313AE", tapered, 1 1/8-1.5", black |
| Handlebar | CONTEC "Moab" Ø 31.8 mm, 740 mm, black |
| Grips | CONTEC "MTB Straight long" |
| Stem | CONTEC "Forge" Ø 31.8 mm, 70 mm, black |
| Saddle | SR "Vivo Sport Ergo", black |
| Seatpost | CONTEC "Pillar" Ø 31.6 mm, 400 mm, black |
| Rims | KAYZA "X18" hollow-chamber disc |
| Tires | MAXXIS "Rekon" 27.5x2.4, black |
| Front tire | MAXXIS "Rekon" 27.5x2.4, black |
| Rear tire | MAXXIS "Rekon" 27.5x2.4, black |
| Front hub | FORMULA "DC-20", 32-hole, black |
| Rear hub | FORMULA "EHL-148S", 32-hole, black |
| Spokes | Stainless steel, black |
| Pedals | VP "VPE-506", black |
| Motor manufacturer / model | BOSCH Gen. 4 "Performance CX" mid-drive motor, 36 V, 250 W |
| Display | BOSCH "Purion", 4-stage, push assistance |
| Battery | BOSCH "PowerPack 545", lithium-ion with BMS, 545 Wh |
| Battery capacity (Wh) | 545 |
| Charger | Bosch 4 A (230 V) |