• Driven Racing 420 EVO TECH 15T front sprocket for Honda Grom and Monkey 125
1 1

Scooterworks

Driven Racing 420 EVO TECH 15T Front Sprocket for Honda Grom & Monkey 125

Driven Racing 420 EVO TECH 15T Front Sprocket for Honda Grom & Monkey 125

$19.95 USD
$19.95 USD
Sale Sold out
Shipping calculated at checkout.

A fresh front sprocket in the stock 15-tooth size. This EVO TECH sprocket is case-hardened steel, made in the USA, and fits the standard #420 chain.

🔍 Does this fit your bike?

  • Honda Grom 125 and Monkey 125 (no model years listed).
  • 15 teeth is the stock front sprocket size on the Grom.
  • Chain: #420. Inner diameter 14mm (peak to peak) / 17mm (valley to valley). Thread size M6x1.00.

⚠️ Before you order

  • This is a #420 sprocket. A 428 chain setup needs the 428 version.
  • Gearing: fewer front teeth means more acceleration; more front teeth means higher top speed and lower RPM. One front tooth is roughly equal to three on the rear.

✓ What's in the box

  • One 15T front sprocket
View full details