e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 165mm Self Extractor BLK Red/Orange Fade Combo adapter compatible (K13-580-BLK included)

Combo adapter compatible (K13-580-BLK included)

5mm Drivetrain Spacing Fat Bike Speed 11/12

Stainless steel B-axle Largest Cog 34 Color Black Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 9 Chain Wrap Capacity (teeth) 43 Cage Length Medium

Additional lateral foam inserts keep the pad low-profile and allow for unrestricted movement

e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 165mm Self Extractor BLK Red/Orange Fade Combo adapter compatible (K13-580-BLK included)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