Box Cassettes Mountain Parts

a CNC machined aluminum spider to deliver rapid, precise shifting at a lower weight. Features: Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance CNC machined ...

for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. Features: Chrome plated for hardness and corrosion resistance Continuously molded cogs are straighter than ...

single block of cold-forged Chrome Molybdenium alloy steel, heat treated, tumble finished, and electroplated for prolonged life vs standard steel cassettes. Features: Single-piece unit exquisitely machined from a solid block of cold-forged ...

to CS-HG51-8I / HG40-8I / HG30-8I / HG30-7I) Enlarged sprocket window design for lighter weight Variety of gear combinations HYPERGLIDE Quick assemble 13T flat sprocket fixed with lower gears Specifications: Type: Cassette ...

cassette was developed to handle the high chain tension and extra torque that e-bikes put on the drivetrain. Smooth-shifting is achieved by creating a cleaner jump between cogs and avoiding the skipping ...