RACE INC CHAIN TENSIONER

RACE INC CHAIN TENSIONER
RACE INC CHAIN TENSIONER 20mm and other sizes. Select your axle size.
10mm-15mm axles Chain Tensioner to fit 20mm dropouts.
Includes the Universal (AAA) washer to fit 10mm
This Race Inc. Chain Tensioner has 3 sizes including for 20mm dropouts, 15mm or 10mm axles. Tensioners are used to keep your rear wheel from slipping under high torque. They are also used to adjust chain tension and centering your rear wheel for BMX Racing. These are also made in 10mm and 15mm.