Black Bike Crank Boot Protectors, 4 Pack Silicone Crankset Guards Fit 135mm to 178mm Universal for MTB and Road Bikes, Non Slip Waterproof Pedal Arm Guards, Rustproof Maintenance Free Design

Silicone Crank Boot Guards for MTB and Road Bikes
✔️ 4-pack silicone crank boots cover crank arms from 135-178 mm universal fit

These silicone crank boot protectors slip over crank arms to shield MTB and road bike cranksets from mud, rain, and rocks, delivering rustproof maintenance-free protection for daily rides.

✅ Universal fit covers crank arms from 135mm to 178mm
✅ 3mm-thick silicone for impact absorption
✅ Weather-sealed design blocks mud and rain for rust prevention
✅ 10-second tool-free installation, grips on carbon shafts
✅ Durable for long rides (10,000+ miles)

💡 What is a crank boot used for on bicycles and how does silicone protect crank arms?

Quick, handy explanation to help decide.

• handy mud and water protection for crank arms across MTB and road bikes
• protects against rust and wear on cranksets in wet conditions
• easy 10-second install without tools, even on carbon shafts
• 3mm silicone construction cushions impacts from rocks on trails