Dolvitrny Folding Bike Chain Tensioner, Rear Derailleur Replacement, Soft Strong Device Compatible With 10T 1/2/3 3 For Home Cleaning

Details

• Complete -Specific Kit: Includes 1 folding bike chain tensioner engineered exclusively for frames, compatible with inner 3-speed and outer 1/2/3-speed drivetrains.
• Reinforced Nylon Construction: Built from LONGLASTING engineering plastic to minimize chain friction noise and support consistent performance over extended use.
• 10-Tooth Precision Guide Wheel: Features a tightly toleranced 10T guide wheel that stabilizes chain alignment and enhances shifting responsiveness during urban commutes.
• Ultra-Lightweight Design: Weighs just 120.5g-adds negligible mass while preserving 's signature portability and fold compactness.
• Compact 143mm Profile: Sleek black tensioner fits seamlessly within tight frame clearances; CHECK YOUR SIZE CHART BEFORE ORDERING.