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 Traction Control – Factory-tuned compression

Traction Control – Factory-tuned compression provides a stable pedaling platform and maintains grip at the wheel

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

}Cult Layback Seatpost - Pivotal 300mm

Compound Sintered Backing Plate Material Steel Pad Shape Number 59

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

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 Traction Control – Factory-tuned compressione*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