Bike Chain Tensioner Single Speed Flywheel Chain Double Guide Kit 12T-22T

Features: * Processing technology: CNC cutting/anodic coloring exquisite and non-fading *The flywheel is made of high-resistant stainless steel the strength and hardness are twice that of ordinary 316 stainless steel and the hardness reaches 18 degrees * The screws are made of stainless steel anti-corrosion and anti-rust suitable for long-term outdoor riding * Double guide wheel design the upper and lower structure is more stable making the chain less likely to fall off and riding safer. The thickened stable platform is more solid and stable. The two fixing nuts effectively prevent loosening. The workmanship is exquisite and anodized. * Newly added adjustable torque design stronger tension can be used with slightly longer or shorter chains * The compression piece and gasket are made of 6061 aluminum alloy which is ultra-light and corrosion-resistant maintaining strength while reducing weight. * Note: This flywheel is compatible with 7-11 speed cassette freewheel body. Please choose 7-11 chain for installation. Specifications: *Product Name: Bike Chain Tensioner Single Speed Freewheel *Material: aluminum alloy + stainless steel *Size: 12T/13T/14T/15T/16T/17T/18T/19T/20T/21T/22T *Color: Black Red Yellow Silver *Weight: about 243g-292g Package Content: 5x Freehub body spacers 1x Flywheel cap 1x Flywheel 1x Double pulley chain press 3x Wrench 1x Torque adjuster Note: 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.