Sale

Drivetrain Belt and Chain Drive

Renthal

Renthal 2020 Bst Carbon/ Marchesine/ Oz Racing-76 x 100 PCD Rear Sprocket - HA 520-38P Teeth

$99.82 $89.84 Save $9.98

SKU: R0A9 397U-520-38P-HA

In Stock
In Stock
Ships by Jun 17
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Non-Returnable Item

Description

The Renthal 397U-520-38P-HA is a rear sprocket designed for specific aftermarket wheels. It is constructed from 7075 T6 aluminum and features a 520 chain size with 38 teeth. This sprocket is engineered for a precise fitment on Marchesini, OZ Racing, and BST Carbon wheels with a 76 x 100 PCD.

It is manufactured to extremely tight tolerances, making it 66% lighter than steel. The hard-anodized finish provides durability and resistance to wear.

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 397U-520-38P-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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