e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver MFPN=1-MP-PKDR-V104 Non-aero chainrings have no compatibility

Non-aero chainrings have no compatibility restrictions and work with 600 and 800 series cranks

square taper

Cygolite Ranger Endurance Edition bicycle headlights

¾-zip lid with inside pocket keeps ferrules/baskets contained

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver MFPN=1-MP-PKDR-V104 Non-aero chainrings have no compatibilityA 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 Silver Crank Length (mm) 165 Pedal Spindle 9 16" Spindle Interface Type ISIS