2-speed, without bottom bracket, black / grey
11-speed compatible, aluminium crank arms, aluminium 7075 X Glide R chain rings, 110mm circle diameter, 844g (GXP 34 / 50), 860g (BB30 34 / 50)

2-speed, Ultra Torque, with bearings, without bearing shells, black
self-service package, 11-speed compatible, aluminium

2-speed, Ultra Torque, with bearings, without bearing shells, silver
self-service package, 11-speed compatible, aluminium

5-arm, without chain rings, black
suitable for Specialized carbon cranks from 2013 - 2017, bluetooth and ANT+ technology, IPX7 waterproof, accuracy: +/- 1,5%, toolfree battery changing (CR2032)

2-speed, Ultra Torque with bearings, without bearing shells
self-service package, 12-speed compatible, carbon with titanium axle, 618g (34 / 50 teeth, 172,5mm)

2-speed, Ultra Torque with bearings, without beraing shells
self-service package, 12-speed compatible, carbon, 710g (34 / 50 teeth, 172,5mm)

28/38 teeth, 2-speed, Hollowtech II, mod.19
self-service package, 12-speed compatible, with integrated bottom bracket axel, without BSA bearing shells, weight-optimized design offers lower weight with the same rigidity for excellent front shifting

28/38 teeth, 2-speed, Hollowtech II, mod.19
self-service package, 12-speed compatible, with integrated bottom bracket axle, without BSA bearing shells, weight-optimized design offers lower weight with the same rigity for excellent front shifting

2-speed, DUB, without bottom bracket
12-speed compatible, carbon crank, aluminium chain ring for direct mount, 45mm chainline

2-speed, square, 175mm crank length, black, mod.19
6-/7-/8-speed compatible, with chain guard ring