Yamaha Rear Sprocket DT100 DT125 DT175 MX175 49T 428 chain 4 bolt pattern sku 6548

Unique 4 bolt pattern made to accommodate two sizes of bolts  for different manufacturers. so one set is at 6 cm on center the other at 6.6 cm on center  New old stock product. Not the cheap thin stuff that wears out quickly like they are selling today Purchased from an old line dealer who stocked lots of OEM and high quality replacement parts in the heyday of Japanese imports but is now closed. NOS  Items may have shelf wear,  metal items may have slight corrosion, but pictures taken from all angles and you can ask questions about condition before purchase Circle industries brand new  Please count  your number of sprocket teeth, and check your bolt pattern distances and center opening  These sprockets are new and within +- 2 teeth of specified OEM sprocket sizes from Reputable Sprocket Charts.    larger  number of teeth give you faster acceleration.  smaller number of teeth give you more top speed. Email me with any questions as products are not returnable