PBI Sprockets Aluminum Honda Grom 125 Rear Sprocket - 520 Chain for CBR swap

PBI Sprockets Aluminum Honda Grom 125 Rear Sprocket - 520 Chain for CBR swap

SKU #: PBI-1009
$34.00

PBI USA Rear Sprocket for the Honda Grom for upgraded 520 chain is manufactured from aircraft quality 7075 T651 Plate Aluminum. Harder than steel and far lighter to save on unsprung weight. A division of Chris Products, Made in USA!


A 520 Chain is required to run this sprocket on a Honda Grom.

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$34.00
$34.00 In stock

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Availability: In stock

PBI Sprockets Aluminum Honda Grom 125 Rear Silver Sprocket - 520 Chain. 520 Chain is used for Honda Groms with the CBR 250/300 Swap Engine.

A few rules of thumb with gear ratios for sprockets are as follows:

  • Drop teeth on front/add teeth to rear = increased torque, increased acceleration, wheelies, racetracks with short straights
  • Add tooth on front/reduce teeth on rear = increased top end speed, open road cruising, lowers RPMs, better gas mileage, tracks with long straights
  • 1 down on the front is like adding 3 teeth on the rear
  • The bigger the rear sprocket, the lower the gearing and the faster the acceleration

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