420 37T Rear Chain Sprocket Cog for Motorbike Thumpstar Atomic Dirt Bike Blk
SKU:TF031#Black Pit Bike Rear sprocket 37 teeth 420 pitch
420 means your chain at its widest point is 14.7mm.
It will fit dirt bikes using 420 chains
in 50cc 70cc 90cc such as Thumpastar Atomik Foxico . etc.
PACKAGE INCLUDE : 1 X 37T REAR SPROCKET
NOTE : PLEASE CHECK SIZE BEFORE BUY ,THANKS !