The SR-2.3 is a robust, professional-grade chain whip designed for daily use. It securely holds all 7-to-12 speed road and mountain bike cassettes, including SRAM® eTap® AXS® and Shimano® XTR® 12-speed systems, as well as single-speed cassettes with a 3/32" cog. Its heavy-duty, heat-treated head with hardened chain retention pins guarantees long-lasting reliability, while the extended, vinyl-dipped handle provides comfortable and effortless operation. Features: This shop quality chain whip gives you incredible leverage without worry of slippage and the head is uniquely shaped to allow quick and accurate access to any cassette or freewheel Works on 5-speed to 12-speed mountain and road bike cassettes and freewheels Hardened bolts hold securely and make chain replacement easy Heavy duty, heat treated head Round vinyl coated handle Approx. 38cm long