37T 420 Rear Sprocket Cog for Motorbike Thumpstar Atomic Dirt Bike

37T 420 Rear Sprocket Cog for Motorbike Thumpstar Atomic Dirt Bike

  • Product SKU: TF035#
  • Availability: In Stock
$16.95
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Pit Bike Rear sprocket 37 teeth 420 pitch black


420 means your chain at its widest point is 14.7mm.

It will fit dirt bikes using 420 chain in 50cc 70cc such as Thumpastar Atomik Foxico . etc.

Please Check before purchase

Pit Bike Rear sprocket 37 teeth 420 pitch black


420 means your chain at its widest point is 14.7mm.

It will fit dirt bikes using 420 chain in 50cc 70cc such as Thumpastar Atomik Foxico . etc.

Please Check before purchase