Sell ZTTO Bike Rear Derailleur Hanger Extension Extender MTB Road Bicycle Frame Gear Tail Hook Extender best price

Features: High quality Aluminum alloy, fine workmanship, durable, smooth, burr-free. Bicycle speed to the maximum flywheel, may rub onto the wheel. The derailleur hanger extension is a unique device that offsets. the position of your road derailleur to make it possible to run a wide-range mountain bike style cassette. It is an ideal solution for riders looking to convert their road, gravel, cyclocross, or drivetrain bike. It can attain the simplicity and reduced weight of a single front chainring but without giving up the gear range of a double. It is also great for riders with double chain ring bikes that want lower gearing for those ultra steep climbs. It does not compromise the shifting in the smaller cogs of the cassette but yet it enables the derailleur to work with as large as a 40T cassette. At this time, you just need to add this product in the original bicycle real dial hook the converter, you can easily solve the troubles you encounter. Specifications: Product: Bicycle Chain Wear Indicator Material: Aluminum alloy Color: Blue, Red, Black, Silver, Gold Size: 2cmx4.5cmx0.5cm/0.79inx1.77inx0.20in Quantity: 1 Set Note: 1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Bike Tail Hook 1 x Screw