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XXcycle, my WebStore dedicated to Bicycle.


Rotor eKAPIC Crank Arms Bosch Gen 4 Compatible Q Factor 171 without Chainring

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108.33 €    



The Rotor eKAPIC crankset has been specially designed for electric mountain bikes. Made of forged and CNC machined 6082 aluminium, it features Trinity Drilling, which consists of drilling three holes deep along the crank axle, eliminating excess material to obtain lighter cranks without compromising its stiffness/weight ratio.
In addition, the eKAPIC has a narrow Q Factor, giving a pedalling position similar to that of a muscle bike. Anyone who has ever suffered from hip or knee problems will want to minimise the Q Factor that can lead to further injury. The eKAPIC's Q Factor allows cyclists to ride off-road without risking biomechanical damage from clumsy pedalling.
The chainring teeth have a universal design to be compatible with all chains (SRAM, Shimano, KMC) and drivetrains (Bosch, Brose, Fazua, Polini) on the market.


  • Material: Forged and CNC machined 6082 aluminium
  • Q Factor: 171 mm
  • Chain line: 52 mm
  • Compatibility: Bosch Gen 4 motor
  • Chainring mounting: Direct Mount
  • Spindle: ISIS Drive
  • Crank lengths: 165 / 170 / 175 mm
  • Weight: 415 g (170 mm)

Chainring sold separately

Supplier references

Ref. Builder Color Size Special EAN XXcycle ref.
C02-119-17010-0 165 mm 8434366022093 150022
C02-119-19010-0 170 mm 150023 150023
C02-119-21010-0 175 mm 150024 150024


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