Packing List: 1x Bike Center Lock 6-Hole Adapter Features: * 1. Made of premium aluminum, corrosion resistant and rust-proof, strong and durable. * 2. Equipped with stainless steel gasket to avoid scratching. * 3. Adopt CNC fine turning, make teeth bright and smooth without burr. * 4. Strong compatibility, can be mounted bike tight, easy to remove, stable and not easy to loose. Specifications: Brand name: BUCKLOS Color: Red, Blue, Black, Gold Material: Auminum alloy Dimensions: Spacer: 42*0.1mm, cover: 44.7*9.3mm weight: 31.8g Process: CNC Anodizing Usage: Road bike, Mountain bike Features: Light weight Installation requirements: The center distance between the six-nail disc and the hole is 44mm Purpose: Install on the center lock hub so that it can install six-nail discs Note: Due to t.