BETTERFORM 11T 13T Bicycle Rear Derailleur Guide Wheel TOOPRE Aluminum Alloy Mountain Bike Derailleur Steel Bearing Bike Jockey Wheel

Size: 11T:43x8.5mm(1.69x0.33in); 13T:50.8x8.5mm(2.00x0.33in) Name:Metal-ceramic Perrin rear derailleur guide wheel Weight:19g(11T),20g(13T) Specification: 11T,/13T Material: Metal Bearing + Ceramic Ball Applicable:4,5,6mm screw holes；8,9,10,11 speed shifting systemBrand: Toopre Color: Red,Black,Blue,Gold,Colorful Features: 1.Lightweight aluminum alloy material Metal bearings: compared with nylon bearings on the market, longer life, higher transmission efficiency, smooth and stable rear derailleur shifting. 2. Strong compatibility Meet different sizes: the new design of the card spring, riding without chain, applicable to 8, 9, 10, 11 speed rear derailleur mounting shaft OD compatible with 4, 5, 6mm 3.Suitable for tension & chain guide 4. Smooth rotation Very smooth: zirconia ceramic ball, self-lubricating and maintenance-free features 5.Multi-color available

Package included: 1* 11T/13T bicycle rear derailleur guide wheel Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.