Color of rim and hub can be noted rim has black and silver, hub has black, silver, gold, purple, red Contains: front and rear wheels ,rim tape, front and rear skewers,cassette spacer, spare spokes, warranty paper Matieral: Alloy Rims: from TAIWAN KINLIN rim, XR240, 24mm high, double wall, ultrlight weight O.L.D: front 74mm rear 100mm or 130mm Rim size: 355, 406, 451 Hubs: SILVEROCK, front 2 bearings ,rear bearings, 6pawls, straight pull Hole: 20H 24H, 1: 1 ratio, ( If you need front 24 holes, note to us ) Spokes: use Taiwan PILAR brand Nipples: pilar brass Weight: appro 1094g(406) Support 8-11 speed, rim or caliper brake, it's for folding bike or minivelo urban bikes Origin: Made in China, build by SILVEROCK Box size: 56x20x50cm XR240 KINLIN RIMS How to make sure Hub O.L.D: Straingle pull type hub , 6 pawls ,noise sound Bearing size: front 6901x2, Rear 15267（NBK JAPAN)x4 SAPIM Leader spokes, from Taiwan There are two O.L.D, front 74mm rear 130mm, or front 100mm rear 130mm Weight： 1094g/406 a set, 1185g/451 a set More detail package

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