ITEM NAME:7/8" Handlebars to 1" Bar Mounts Risers Clamps Conversion Shims Spacers Description: - Used to transform diameter 22 mm / 7/8 inch to 25 mm / 1 inch. - Suit for 22 mm diameter handlebar. - Made of Aluminum Alloy,sturdy and durable to use. - Simply place one shim each side of clamp area on handlebar and insert into stem, tighten as normal. - A safe and reliable way to fit a narrower bar to a wider stem. Specification: - Material: Aluminum Alloy - Size: 22 mm Package Included: 4 Pieces Conversion Shims Spacers Note: Please check the size details before purchasing. Make sure you will get the perfect item. Thank you..4 Pieces Conversion Shims Spacers. - Simply place one shim each side of clamp area on handlebar and insert into stem, tighten as normal. - Made of Aluminum Alloy,sturdy and durable to use.