Round BCD110x4 chainrings compatible with all ROTOR cranks using BCD110x4 spider or INspider power meter. In addition, these chainrings are also compatible with Shimano® Dura-Ace® FC-9100 and Ultegra® FC-8000 cranks offering fast and precise shifting, attractive weight, as well as a more aerodynamic and aggressive aesthetic.
ROTOR round chainrings come to complete the chainring range for those cyclists who have not yet decided to try Q RINGS oval chainrings.
When you are looking for speed, precision, and aerodynamics, your bike´s components of your bike should reflect these needs.
Sizes: 58/44 | 56/44 | 55/44 | 55/42 | 54/44 | 54/42 | 54/39 | 53/39 | 52/36 | 50/34
Weight: 157.5 g (50/34T) | 127 g (50T) | 30.5 g (34T)
Chainline: 43.5 mm (using standard axle). 46 mm (using offset axle)
Material: 7075-T6 aluminum alloy 100% CNC-machined
Cranks compatible: All ROTOR cranks using spider BCD 110×4. All ROTOR cranks using INspider power meter. Shimano® Dura-Ace® FC-9100. Shimano® Ultegra® FC-8000
Groupsets compatible: Shimano® 11s & 10s. SRAM® 11s
Chains compatible: 11s chains
*Cranks arms, axle, chainring bolts, spider & power meter not included.