
JT SPROCKETS Standard Steel Sprocket 857 - 520 (Manufacturer's reference: JTR857.40)
For a sprocket replacement or a gearing modification, this JT Sprockets sprocket meets the expectations of demanding riders. Machined from C49 steel, it features a black finish and a standard profile suitable for 520 pitch transmissions. Designed for use on Quads, motocross bikes, and roadsters, it easily integrates into drivetrains that accept the 520 format.
The simple and robust design of this sprocket allows for direct replacement of original components on many models. It is particularly suitable for Yamaha TT 600 RE (DJ01), Yamaha XT 600 E (DJ02), and MZ 660 Mastiff, as well as other motorcycles and quads using the 520 pitch. An essential transmission part, it maintains the alignment of the chain and sprocket for reliable gearing.
Reference: JTR857.40 — a clear choice for those seeking a standard steel sprocket, understated and compatible with a wide range of off-road and roadster machines.