Shimano Slx Dyna-sys CS-HG81 Cassette

ENGINEERED FOR SMOOTH, RELIABLE SHIFTING - THE SHIMANO SLX CS-HG81 CASSETTE DELIVERS LIGHTWEIGHT PERFORMANCE, DURABILITY, AND OPTIMISED GEARING FOR MTB RIDERS.

Dive into optimized drivetrain performance with the SLX CS-HG81, a 10-speed cassette designed for modern mountain biking, all-mountain, cross-country and trail use. Its refined construction - combining high-strength steel sprockets with a lightweight aluminium spider for the three largest sprockets - reduces overall mass while maintaining rigidity and shifting reliability. Thanks to Shimano's HYPERGLIDE tooth profiles and ramped shift gates that are precisely engineered for HG-X 10-speed MTB chains, shifting remains crisp, smooth and responsive even under load. Close-ratio gearing ensures efficient cadence control and smooth transitions between cogs, whether climbing hills or sprinting on flats. The cassette's sprockets are strategically cut and drilled to shed unnecessary weight without compromising strength, offering an excellent balance of lightness and durability for riders demanding performance on rough terrain or long rides.


KEY FEATURES

Integrated alloy-carrier design mounting the three largest sprockets to reduce weight and increase stiffness.
HYPERGLIDE sprockets with computer-designed tooth profiles and contoured shift ramps for crisp, smooth shifting under load.
Close-ratio 10-speed gearing for optimal cadence control and efficient power transfer.
Cut-away and drilled sprockets to shave grams while preserving structural integrity.
Compatible with 10-speed HG-X MTB chains and full 10-speed drivetrains from Shimano.

WHY CHOOSE SHIMANO SLX CS-HG81 CASSETTE

Choose the SLX CS-HG81 for a high-value, high-performance 10-speed cassette that brings together weight savings, durability, and refined shifting. Its efficient gear spacing and consistent shift quality make it ideal for riders who want dependable performance on mountain bike trails, cross-country rides, or mixed terrain.

PERFECT FOR
Mountain biking, all-mountain and cross-country trails, trekking and hybrid bikes that use Shimano 10-speed drivetrains, riders seeking reliable shifting and a durable, lightweight cassette.

SPECIFICATIONS
Series: Shimano SLX
Model: CS-HG81 10-Speed Cassette
Cassette Type: HG, 10-speed MTB
Material - Spider: Aluminium alloy
Material - Sprockets: Steel (chrome/nickel plated)
Gearing Options: 11-32T / 11-34T
Compatible Chain: HG-X 10-speed MTB chains
Weight: Approx. 317 g (11-32T), 351 g (11-34T)
Freehub Compatibility: Shimano/SRAM 8-, 9-, 10-speed MTB freehubs