Sale

Drivetrain Belt and Chain Drive

Renthal

Renthal 20-23 Aprilia RS660/Tuono 660 Rear Sprocket Hard - Anodized 520-43P Teeth

$99.82 $92.64 Save $7.18

SKU: R0A9 478U-520-40P-HA

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Renthal 478U-520-40P-HA is a rear chainwheel designed for street and road racing applications. It is CNC machined from 7075 T6 aluminum alloy and features a hard anodising finish for increased longevity and wear resistance. This sprocket is 66% lighter than steel, designed to minimize unsprung mass and maximize power transfer.

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 478U-520-40P-HA

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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