Driven Racing 428 EVO TECH Rear Sprocket | Honda Grom
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Original price
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Original price
$0.00
Original price
$0.00
$35.00
$35.00
-
$35.00
Current price
$35.00
Availability:
Out of stock
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You have 30 days to request a return. All sale items are final sale.
Fine-tune your Honda Grom or Monkey 125's gearing with the Driven Racing EVO TECH #428 rear sprocket. CNC-machined and case-hardened in the USA for maximum durability and smooth power delivery. Available in 34T–40T to optimize for acceleration or top-end speed.Important — bolt pattern changed in 2022:
- 2014–2021 Grom / Monkey 125: use 34T, 35T, or 36T
- 2022+ Grom / Monkey 125: use 38T, 39T, or 40T
- Chain size: #428
- Inner diameter: 58mm
- Diagonal bolt spacing: 89mm
- Material: case-hardened steel
- Made in USA by Driven Racing
- Stock rear sprocket: 34T (2021 and earlier Grom) / 38T (2022+ Grom)
- Adding rear teeth — more low-end torque and acceleration, better for urban riding and short straights
- Removing rear teeth — higher top-end speed, lower RPMs, better for open road and long straights
- Removing 1 front tooth ˜ adding 3 rear teeth
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.