Single-Speed Chain Tensioner and 18T Single Speed Cassette-Red

Freehub and Chain Compatibility: Compatible with Shimano Hyperglide style freehub body splines (multi-speed or single-speed). Not compatible with Shimano Microspline or SRAM XD freehub bodies. Works with all chains from 7 to 12 speeds.

• Premium Single Speed Cog: Designed with a unique tooth shape, narrow-wide profile, and perfect roundness, these sprockets are built to last longer than other aluminum counterparts.
• One-Piece 7075 High-Quality Aluminum Alloy: Unlike most split designs on the market, our one-piece flywheel offers superior strength and lighter weight, weighing only 66g.
• Innovative Double Pulley Chain Tensioner, Silent and Smooth Operation: Enjoy noise-free and smooth rides with our double-spring chain guide, which minimizes chain slaps and vibrations for a quiet and enjoyable biking experience.
• Durable Aluminum Alloy Body: Crafted from high-quality aluminum alloy, our chain tensioner is lightweight yet robust, offering exceptional stability and longevity for your mountain or folding bike.
• Effortless Installation: With a straightforward three-step installation process, our tensioner fits seamlessly into frames with rear tailhooks, enhancing your bike's performance without any hassle.