Sale

Drivetrain› Belt and Chain Drive

Renthal

Renthal 18-24 KTM 85 SX Rear Grooved Sprocket - Blue 428-50P Teeth

$104.61 $96.37 Save $8.24

SKU: R0A9 441U-428-50GPBU

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Renthal 441U-428-50GPBU Ultralight Rear Sprocket is a 50-tooth rear chainwheel designed for 428 pitch chains. It is CNC machined from 7075 T6 aluminum, making it 66% lighter than steel. The sprocket features self-cleaning mud grooves between each tooth to prevent buildup.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandRenthal
Part NumberR0A9 441U-428-50GPBU

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.

View Full Return Policy