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 One end of the hose

One end of the hose is a threaded Presta valve connection while the other has a slip-fit system for faster engagement

}Park Tool SBC-1 Spoke ruler Cotter and Ball Bearing Gauge

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

Pirelli is already famous for

}SRAM X-Sync Chainring 42T 110mm Asymmetric BCD 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 One end of the hosee*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