Item Descriptions: -These bicycle chainring bolt spacers are made of aluminum alloy, wear-resistance, strong tensile strength, rust resistance, high strength and sturdy. -It is used for mounting single chain wheels as the double chain wheel bolts are too long to lock with a wrench. -Fit for bicycle headset, stem and chain wheel change. Fine tune the chainring to get the perfect chain alignment. -The internal diameter is 10mm/ 0.39inch, external diameter is 12mm/ 0.47inch, thickness is 1mm/ 0.04inch or 2mm/ 0.08inch. -Package includes 10 pieces of bike chain wheel washers. Package: 10x Bike Chain Wheel Washers Item Specifications: Colour:Silver Material:Aluminum alloy Inner diameter:10mm/ 0.39inch Outer diameter:12mm/ 0.47inch Thickness:1mm/ 0.04inch / 2mm/ 0.08inch

Package includes 10 pieces of bike chain wheel washers. The internal diameter is 10mm/ 0.39inch, external diameter is 12mm/ 0.47inch, thickness is 2mm/ 0.08inch. Fit for bicycle headset, stem and chain wheel change. Fine tune the chainring to get the perfect chain alignment. It is used for mounting single chain wheels as the double chain wheel bolts are too long to lock with a wrench. These bicycle chainring bolt spacers are made of aluminum alloy, wear-resistance, strong tensile strength, rust resistance, high strength and sturdy.

Date First Available: October 7, 2022. Best Sellers Rank: #155,577 in Sports & Outdoors. Customer Reviews: 5.0 out of 5 stars 1 rating 5.0 out of 5 stars. : B0BHMJGRXM. Size: ?2mm Thickness. Part Number: ?ECSiNG_SP733-B. Manufacturer: ?ECSiNG. Color: ?Silver. Brand Name: ?ECSiNG. Package Weight: ?0.02 Kilograms. Item Package Dimensions L x W x H: ?6.61 x 4.61 x 0.28 inches.