· hole centre distance: 76 mm · 42 for 30 teeth
· hole centre distance: 76 mm · 52 A for 42 teeth
· hole centre distance: 76 mm · 39 teeth
· hole centre distance: 76 mm · 39 B teeth
· hole centre distance: 76 mm · 52 teeth
· hole centre distance: 80 mm · 39 teeth · also compatible with Record and Athena 8-/9-speed · also compatible with Chorus/Daytona/Centaur 10-speed/double
· hole centre distance: 76 mm · silver · 53 B for 39 teeth
· hole centre distance: 76 mm · 52 B for 39 teeth
· hole centre distance: 76 mm · 53 B for 39 teeth
· hole distance 65 mm · 50 teeth
· hole centre distance: 76 mm · silver · 39 B teeth
The oval Q-Rings chainrings optimise power transmission onto the pedal and can improve pedalling efficiency. The chainrings have the largest circumference where the cyclist applies most of the power. Around the upper...
· hole spacing: 76 mm · 50 B for 39 teeth
· hole spacing: 76 mm · 52 B for 39 teeth