Feature 1Aluminum alloy disc brake, excellent heat dissipation effect, durable and useful. 2With strong braking force, provides smooth and stable control. 3Easy to install on your bike, no complicated tools required, convenient to use. 4It is exclusively used on the road bicycle, which is a practical accessory. 5Built to meet standard specification, strictly follow factory quality control.Condition: 100% Brand NewItem Type: Disc BrakeMaterial: Aluminum AlloyColor: As picture shownOptional Type:F160/R140: Suitable for front wheelsF180/R160: Suitable for rear wheels .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Disc BrakeNotePleasepayattentiontothedistancebetweenmountingholeandinstallationhole51mm/2in.