Shimano's Sora Rear Derailleur is made for 9-speed drivetrains. It features smooth 11-tooth pulleys, a light-action spring, and a wide outer-pivot design that increases rigidity for precision shifts every time.
The Shimano Altus RD-M310 rear derailleur is a quality, durable replacement rear derailleur for 7 and 8-speed drivetrains. - 13t upper and 15t lower pulleys - Maximum cog size: 34t - Total capacity: 43t
Shimano's Acera rear derailleur makes use of advanced designs that make it shift better and last longer. HyperGlide technology results in faster shifting, and Double Servo technology utilizes a double servo-panta mechanism that enables the rear derailleur to track perfectly to each shift and maintain an optimum distance from each sprocket. - Maximum cog size: 34t - Total capacity: 45t - Pulleys: 11t - Chain compatibility: HG 9-speed
Shimano's Saint Rear Derailleur is packed with World Cup-worthy features, like an integrated skid plate, a urethane bump stop, and low-profile Shadow positioning, all of which protect your derailleur as you smash through rock gardens and overgrown singletrack. Shimano Plus Technology minimizes chain and impact noise, and maintains perfect chain tension so you can shift with precision and authority no matter how rough the terrain gets. The Saint Rear Derailleur also has a mode converter that lets you use either a close-ratio DH cassette, or a wider-ratio freeride cassette.
SRAM's X3 Rear Derailleur is ready for adventure. Its composite and steel construction is tough, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.
SRAM's X4 Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.
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