FACULX Ultralight for Mountain Bike Cassette 9 10 Speed Hollow

Details

• Complete Cassette Set: Includes one light mountain bicycle cassette compatible with 9-speed and 10-speed freehub systems-perfect for riders, cyclists, and road enthusiasts seeking responsive drivetrain upgrades. Lightweight Construction: Hollowed-back design reduces rotational mass without compromising strength, delivering snappier acceleration and improved climbing efficiency on steep terrain.
• Precision Performance: Optimized tooth profile insures clean, consistent engagement with the chain for reliable ing all gears-even under load or variable conditions.
• Enhanced Durability: Phosphated resists wear and , supporting dependable operation through rain, dust, and extended off-road use.
• Service-Friendly Design: Split pinion structure allows targeted servicing of individual sprockets, extending overall cassette life and simplifying long-term drivetrain care. Refer to the manufacturer's SIZE CHART before ordering-not Amazon's sizing.