LeBycle MTB Bicycle 6 7 Speed Rear Derailleur Bicycle High Strength Cycling Spare Parts

Feature: 1. High Strength: Plastic steel body, steel guide plate, durable and impact resistant, smooth speed change, hollow design and lightweight. Tilt pendulum zoom, avoid collision, built in high tension spring. 2. PA Nylon Wear Resistant Guide Wheel: Silent and smooth, non wearing chain, middle leg guide plate design, 11 tooth nylon silent guide wheel, reduce chain wear and smooth shifting. 3. Eye Pull Screw: Direct mounted eye pull, frame needs rear pull out hook before the rear transmission can be installed. 4. H L Adjusting Screw: Adjust these two screws to ensure that the chain is between the largest and smallest flywheel, H is the high position and L is the low position. 5. Tension Screw: At the rear shift and rear hook, adjust the rear dial tension to control the tension and affect the shift response time. 6. Variable Speed Threading Protection: Brake cable bayonet design at the driving arm, double layer threading protection, the thread core is accurately fixed, and the speed change is more stable. 7. Good Compatibility: 6 7 18 21 speed universal rear derailleur transmission, suitable for multiple brands of variable speed models, compatible with the maximum number of teeth of the flywheel 32T, and the total gear capacity of 39T. Specification: Item Type: Bicycle Rear Derailleur Color: As Pictures Shown Speed: 6 7 Speed Weight: Approx.252g 8.9oz Material: Plastic Steel Main Material + Steel Guide Wheel Arm + PA Nylon Guide Wheel Installation Method: Direct Mounting Type with Dial (Frame Needs to Have Rear Pull out Hook). Package List: 1 x Bicycle Rear Derailleur Note: The rear derailleur speed must correspond to the flywheel chain. For example, 6 7 speed rear derailleur must be matched with 6 7 speed flywheel and 6 7 speed chain. They must not be mixed together to avoid damage to the accessories.