the 1 x 13-speed EKAR drivetrain with a gravel-orientated performance & build. Features: 2D parallelogram trajectory offers precise mechanical movement for 13 sprockets High grade polymer pulley wheels (12T upper, 14T lower) ...

mountain shifters. Increased chain stability and wide range parallelogram design let you power through any terrain with a wide selection of gear-ratios. Features: Compatible with wide range cassettes Strong spring tension for ...

pulley wheels Advanced light action Wide link design for more rigidity and precise shifting Top Normal Rear Derailleur (8/7-speed) Conventional direct attachment Double Servo spring Specifications: Speed: 7 Speed, 8 Speed Shifter ...

Features: Compatible with 7 and 8-Speed shifters 13T upper pulley and 15T lower pulley Wide link design for more rigidity and precise shifting Advanced light action Smartcage pulley plate Specifications: Speed: 7 ...

11T upper and lower pulleys Conventional direct attachment Specifications: Speed: 9 Speed Shifter Compatibility: Shimano Road & Mountain Shift Mechanism: Cable Actuated Max. Tooth: 34T Min. Tooth: 11T Chain Wrap Capacity: 45T ...