Speedline Parts | 120mm Disc Adapter / Chain Tensioner

The Speedline Disc Brake Adapter is designed to work with the Supercross BMX RS7 Fastback Frames but will work with most 15mm Dropout BMX race Frames including the Supercross BMX ENVY BLK 2. It is optimized to work with a 120mm Rotor and has a built in Chain Tensioner for ease of use.

Forged and CNC'd from lightweight 6061 T-6 Aluminum for Maximum Strength and Minimal Weight. 

Fits Pro , Pro Plus, Pro XL,  Pro XXL,  and Pro XXXL 20" and all Pro size 24" Cruisers.

Available in Black at the current time with more colors coming soon. 

Note : THIS IS FOR 15MM AXLES. YOU CAN USE A 10MM ( 3/8" AXLE WITH THIS ADAPTER BY USING 2 SETS OF THE SUPERCROSS 15MM FRAME ADAPTERS. WE WILL HAVE A SPECIFIC 10MM KIT AVAILABLE FEB. 2021


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