Folding Bike Chainring 130 BCD Chain Wheel 38T 39T 40T 42T 44T 46T 48T 50T 52T 53T 56T Road Bicycle BCD130 Crown CNC 3/32"

Hign-concerned Chemical None. Type Bicycle Chainwheel. Model Number TY130SB. Use BMX, Mountain Bikes, Road Bicycles, Folding bikes. Material: Aluminum Alloy. Category Chain Wheel. Brand Name TRUYOU. Origin Mainland China. Teeth 38T39T40T42T44T46T48T50T53T56T. BCD 130MM. Color Black. Material: 2014-T6 aluminum alloy. Surface: HBK black blasting anodic oxidation). Tooth number specification: CNC 3/32". Characteristics: lightweight, high strength, do manual work is delicate, laser carving exquisite. Applicable after speed change: 6-11 speed. Applicable models: road bikes, folding bikes. P. C. D. B. C. D. 130mm. Note: do not apply to the double teeth plate. 130 BCD means five nail plate circle circle diameter is 130 mm, the distance form the centre of the nail plate to the axis of the 65 mm. Tooth number: 38T. Disc thickness: 2.8 mm. Weight: 48g. Tooth number: 40T. Disc thickness: 3.6 mm. Weight: 56g. Tooth number: 46T. Disc thickness: 2.8mm. Weight: 66 g. Tooth number: 48T. Disc thickness