PERFECT GRIP: The T-RexGrip tool of BBB Cycling offers a new way of grip on your sprocket with a handy jaw-system COMPATIBILITY: Suitable for sprockets from 11 to 26 teeth and compatible for 5-12 speed cassettes to work with nearly any bike GRIP TIGHT: Craton handles provide a firm grip also fitted with a spring to lock the sprocket fast and firm without slippage ALL-ROUND PROTECTION: Protects the sprocket from deforming and your hands from injuries while using PART OF YOUR RIDE: BBB Cycling wants to be there for every cyclist. We offer more than 1.500 unique cycling products that have received more than 100 product and innovation awards over the years. Products that are part of every ride, bringing fun to cycling, and making sure cyclists are spending more time on their bikes together with their friends