Drivetrain› Belt and Chain Drive

Renthal

Renthal 22-23 Yamaha YZ 85LW/ 03-17 YZ 85 Front Sprocket - 428-15 Teeth

$38.30

SKU: R0A9 257--428-15GP

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Renthal 428 Steel Front Sprocket is a 15-tooth component for the 428 chain. It is CNC-machined from 655M13 nickel chromium steel, which is case hardened and core refined. This sprocket features self-cleaning mud grooves to prevent buildup and a lightweight design offering 10-15% weight savings.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandRenthal
Part NumberR0A9 257--428-15GP

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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