E*THIRTEEN HELIX RACE E*SPEC ALLOY CRANKS trek kids The Unconditional Bontrager Guarantee offers

The Unconditional Bontrager Guarantee offers 30 days to love it

the 220 mm brake disc generates around 10% more braking force than a 203 mm model and 20% more than a 180 mm model

135mm Q/R Location Rear drive side Dropout Dimension 135 mm Q/R Attachment 1-bolt

Tested and developed with world class athletes

Mount Type: Direct Mount

E*THIRTEEN HELIX RACE E*SPEC ALLOY CRANKS trek kids The Unconditional Bontrager Guarantee offersHelix Race e*spec Alloy Cranks offer a high performance alternative to carbon fibre for riders that prefer alloy or dont want to pay for carbon to get a premium product. Forged and extensively CNC finished, the Helix Race e*spec Crank is a piece of machining art to personalize your fit and dream e bike build. These cranks are a serious upgrade that will increase strength and pedal strike resistance while reducing your bikes weight. Available in eMTB