e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK MFPN=D33XRDR-R Approved for E-bike usage -

Approved for E-bike usage - Up to 75nm

Model SLR Carbon Fill Idmatch S1 Rails Carbon Top Handmade Covered LFV Color Black LxW (mm) 242x130 Weight 135g

Engineered to maintain consistent chain gap across all seven gears it eliminates vertical movement for faster shifting reduced shift force and an end to ghost shifting

It's been engineered it with the largest cutaway for the greatest relief channel possible remaining supportive and flat at the rear so you have a good platform for sustained seated climbs

3'' (800 x 470 x 135mm) Weight: 17

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK MFPN=D33XRDR-R Approved for E-bike usage -A high performance weight optimized alternative to carbon fiber for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4 Brose S Mag TQ HPR 50 Fazua Yamaha Maxon and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal clearance and are tested to E Enduro standards. Color Black Crank Length (mm) 165 Pedal Spindle 9 16" Spindle Interface Type ISIS