Introducing the new Round Direct Mount Chainrings. The Direct Mount is CNC¡¦d from a block of 7075 aluminum to save more than 30 g over a standard chainring combo which, together...

ROTOR 2INpower DM Road Accurate power measurement and pedal stroke optimization are fundamental in the pursuit of? performance gains. Integration of power measurement technology at the core of the crankset design...

Introducing the new oval Direct Mount with OCP Mount. OCP Mount¡¦s patent-pending, proprietary technology allows the oval Direct Mount to be adjusted in 1-degree increments for optimized pedaling biomechanics. 12.5% ovality...

QXL?s help you further improve your maximum sustainable output by offering a greater ovality, which increases drivetrain resistance during the most-productive part of your pedal rotation. If you ride for long...

Weight: 148g per set 50/34 Sizes: Outer - 53, 52, 50, 46, 44t Inner - 42, 39, 38, 36, 34t ? Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy - Steel shifting...

Weight: 148g per set 50/34 Sizes: Outer - 53, 52, 50, 46, 44t Inner - 42, 39, 38, 36, 34t ? Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy - Steel shifting...

Weight: 173g per set 50A/34 Sizes: Outer - 56A, 55A, 54A, 53A, 52A, 50A, 48A Inner - 42, 39, 38, 36, 34t Characteristics: - 100% CNC-machined, 7075-T6 aluminum alloy - Aero...

ROTOR BBcups UBB PF4630 386 (386 frame; 30mm Spindle) Black (STEEL)

ROTOR BBcups UBB PF4630 BBRIGHT (BBRight Frame; 30 Spindle) Red (CERAMIC)

ROTOR BBcups UBB PF4630 PF30 (PF30 Frame; 30 Spindle) Red (CERAMIC)

ROTOR BBcups UBB PF4630 PF30 (PF30 Frame; 30 Spindle) Black (STEEL)

ROTOR BBcups PF4630 ROAD MTB (PF30 BBRight BB386EVO frame; 30mm Spindle) Black (STEEL(Alloy Cups))

ROTOR BBcups PF4630 ROAD MTB (PF30 BBRight BB386EVO frame; 30mm Spindle) Red (CERAMIC)