5 Pcs BBThread Bottom Bracket Bearing Cap Dustproof Bikes Medium Shafts Bearing Protections Cover Bike Accessories

Protect your bike's bottom bracket bearings from dusts and water with Bottom Bracket Protections Cap. Made of durable engineering plastic, this cap is lightweight and fit crank diameters of 24mm/0.94inch. No need to use tools, manually press in and install it, it is very convenient, after the crank is locked, there will be no looseness. 5 Pcs BBThread Bottom Bracket Bearing Cap Dustproof Bikes Medium Shafts Bearing Protections Cover Bike Accessories. Features: Protect your bike's bottom bracket bearings from dusts and water with Bottom Bracket Protections Cap. Made of durable engineering plastic, this cap is lightweight and fit crank diameters of 24mm/0.94inch. No need to use tools, manually press in and install it, it is very convenient, after the crank is locked, there will be no looseness. Upgrades your bike's performances and extend the servicelife of your bearings with this simple yet effective solution. Waterproof and dustproof. Smoothsurface, good hand feeling, resistant and wea