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 Model SLR Carbon Fill Idmatch

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

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

An oversized bottom-bracket and chainstay area increases pedaling stiffness and drivetrain efficiency

including a continuous carbon fiber skeleton and rails

5 hrs (Low-5 lm) and up to 11 hrs (Superflash™-70 lm)

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 Model SLR Carbon Fill IdmatchA 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