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=E01C00AM0240SPK }SRAM X-Sync Chainring 42T 110mm

}SRAM X-Sync Chainring 42T 110mm Asymmetric BCD Black

99mm Interface DUB Primary Color Black Crank Arm Length 165mm

}Wheels Manufacturing T47 Inboard Bottom Bracket for 22/24mm SRAM/GXP Spindles with ABEC-3 Bearings

Color Black Rings 42 Number of Chainrings Single Crank Length (mm) 170 Crank Intended Use Road Drivetrain Speeds 10 Drivetrain Speeds 11 BB Included No Pedal Spindle 9/16" Spindle Interface Type Square Taper JIS Chainring BCD 120 Chainline/Hub Compatibility 130 Hubs Defined Color Black

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=E01C00AM0240SPK }SRAM X-Sync Chainring 42T 110mme*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 165mm 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