e*thirteen Helix Race Alloy e*spec Crank Arm Set - DUB 12mm Offset 155mm Self Extractor BLK MFPN=W0H1900THDSSA18339 model 650b Light width 47mm

model 650b Light width 47mm compound 60a bead folding color black weight 462g

Drivetrain Speeds 7 Drivetrain Speeds 8 Rings 30/39/50 Defined Color Black Spindle Interface Type Square Taper JIS Number of Chainrings Triple Chainring BCD Riveted Crank Intended Use Road Color Black Pedal Spindle 9/16" BB Included No Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Crank Length (mm) 170

Rings 50/39/30 Defined Color Gray Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Shimano Asymmetric Chainring BCD 74 Shimano Asymmetric Color Gray Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Drivetrain Speeds 10 Number of Chainrings Triple Crank Intended Use Road Pedal Spindle 9/16" BB Included No Crank Length (mm) 175

8 (1-1/4") Front Derailleur Cable Pull Bottom Pull Front Der/Shifter Compatibility Shimano Road Max Ring (teeth) 52 Front Derailleur Style Topswing

e*thirteen Helix Race Alloy e*spec Crank Arm Set - DUB 12mm Offset 155mm Self Extractor BLK MFPN=W0H1900THDSSA18339 model 650b Light width 47mme*thirteen Helix Race Alloy e*spec Crank Arm Set DUB 12mm Offset 155mm with Self Extractor Black. 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