Compatible Dimensions: The inner diameter is about 28.6 mm, the outer diameter is 34.9 mm, the total weight is about 50g. Perfect for most mountain bikes, road bikes, and 28.6 mm front bar fork bikes. Appearance: automatic cutting, all sizes can be stacked seamlessly, smooth edge, delicate texture and durable. Feature: Carbon fiber headset spacer resistant to corrosion, more sturdy, durable, Lighter and harder than aluminum alloy headset spacer. Materials: Woven carbon fiber, woven carbon, heat-resistant, impact-resistant, sturdy and durable, beautiful appearance, light weight. Multi-Size: This package contains 8 different sizes, 1mm, 2mm, 3mm, 5mm, 8mm, 10 mm,15 mm, 20 mm, small size of spacer headset allows you to adjust more accurately.

Date First Available: December 18, 2019. Best Sellers Rank: #322,870 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 43 ratings 4.7 out of 5 stars. : B082WJHF13. Part Number: ?FB040black. Manufacturer: ?Farbetter. Material: ?aluminum_alloy, carbon_fiber, Carbon. Brand Name: ?Farbetter. Package Weight: ?0.05 Kilograms. Item Package Dimensions L x W x H: ?4.72 x 4.02 x 0.79 inches.