Promax C-1 Aluminum Chain Tensioner Pair for 3/8" & 10mm Axles Compatibility_Shimano 9250/8150 - Hardened 5mm steel plates

- Hardened 5mm steel plates with rubber coating for maximum security and bike protection

this trainer offers a maintenance-free

making it a must-have accessory for serious cyclists seeking reliable on-bike storage

Includes Keo Blade cleats with 12Nm retention and durable steel bearings

Promax C-1 Aluminum Chain Tensioner Pair for 3/8" & 10mm Axles Compatibility_Shimano 9250/8150 - Hardened 5mm steel platesEnhance your bicycle's rear dropout stability with the Promax C 1 Chain Tensioner a high performance, durable component designed for optimal ride quality. Crafted from premium CNC machined 6061 T6 aluminum, this chain tensioner offers a superior balance of strength and lightweight performance, making it ideal for both casual riders and bike enthusiasts seeking reliable precision. Engineered for versatility, the Promax C 1 fits 3 8" and 10mm axles,