Material: Ultra‑tough impact‑resistant TPU/rubber compound — absorbs shocks, prevents scratches, and resists oils and dirt Compatibility: Easily stretchable to fit most Shimano, SRAM, and other alloy or carbon crank arms Dimensions: Designed with snug internal fit, tolerates slight crank width variations without trapping debris Finish: Sleek matte black, enhances CRANK aesthetics while adding a protective layer Why You’ll Love It: Protective & practical: Defends cranks against rock strikes, pedal rub, and general wear — perfect for MTB, gravel, e‑bikes, or commuting Low‑profile design: Adds protection without bulk — you’ll barely notice them on your ride Easy installation: Just slide on and go — no tools needed, no adhesives