... for road bike, stiff popular!!!!1.alloy brake. 2.450g/pc 3.strong. 4.700c ... Item: 700c road bike carbon rims with alloy brake, strong!!!!Depth: 38mmVersion: clincherBrake: alloy brake surface.Weight: 450g/pc +/- 10gHole: ... 20/24holeGood Alloy brake = solve the carbon brake problem!!!!! how to ... know more details about your needs, model, weight, target budget etc…..