Specifications BrandName: Farbetter Material:Carbon Fiber Quantity:2 pieces Color:Black Weight:approx. 35 g/ 1.2 oz Internaldiameter: 28.6 mm Externaldiameter: 34.9 mm Thickness:approx. 3mm Features -Larger size allows you to put in place inone step. -Spacer headset of 2 Size can be stacked seamlessly. Package includes: 1 x 30 mm Headset spacer 1 x 40 mm Headset spacer Farbetter strive to provide exceptional products and services. Have any questions, please contact us immediately so that we may resolve the issue for you.

Compatible Dimensions: The inner diameter is about 28.6 mm, the outer diameter is 34.9 mm, the total weight is about 35g. 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. Large size: This package contains two different sizes, 30mm, 40mm, larger size allows you to put in place in one step, the two sizes can overlap seamlessly.

Date First Available: December 18, 2019. Best Sellers Rank: #151,512 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 44 ratings 4.7 out of 5 stars. : B082WBH4F3. Part Number: ?FB041black. Manufacturer: ?Farbetter. Material: ?Aluminum_alloy, Carbon, Carbon_fiber. Brand Name: ?Farbetter. Package Weight: ?0.05 Kilograms. Item Package Dimensions L x W x H: ?4.88 x 4.69 x 1.34 inches.