What is a secondary drive belt?

The secondary drive belt is the belt that runs from your transmission's output sprocket to the rear wheel pulley. It's responsible for transferring the engine's power to the rear wheel so you can move.

What does the tooth count and width signify?

The 128 tooth count refers to the number of teeth on the belt, which must match the sprockets for proper engagement. The 1.125 inch width indicates the belt's physical size, ensuring it fits correctly on the pulleys.

Does this belt come with any hardware?

This product listing is for the secondary drive belt only. Any necessary hardware, such as pulleys or tensioners, would typically be purchased separately.

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Est. 1957

Specifications

Brand: S&S Cycle
Part #: 560-0424
UPC: 560-0424

S&S Cycle 1.125in 128 Tooth (40024-04) Secondary Drive Belt

Name: S&S Cycle 1.125in 128 Tooth (40024-04) Secondary Drive Belt
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-1-125in-128-tooth-40024-04-secondary-drive-belt-t14-834054
Price: 275.95 USD
Availability: BackOrder

$275.95

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle 1.125in 128 Tooth Secondary Drive Belt. A well-built replacement for your motorcycle's drive system.

Key Features

This product is a 1.125 inch wide, 128 tooth secondary drive belt.
It is designed as a replacement for the belt connecting the transmission to the rear wheel pulley.
Manufactured by S&S Cycle, a well-known name in performance motorcycle components.

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About this part

Product Details

What you get here is a 1.125 inch wide, 128 tooth secondary drive belt from S&S Cycle. This is the belt that connects your transmission's output shaft to the rear wheel pulley, transferring power to the ground. It's a critical component for your motorcycle's drivetrain, and when it's time for a replacement, you want something reliable.

S&S Cycle is known for making solid engine and drivetrain parts for performance motorcycles. This belt is built to handle the demands of transferring power, ensuring a smooth and consistent connection between your engine and the rear wheel. It's a direct replacement for the stock belt, meaning it should install without any major modifications, making the job straightforward for a mechanic.