Harddrive Transmission Sprocket - 25t BIG Twin 6 Speed 2006-2022 .500 — Harley-Davidson (2007-2017)

Harddrive 25-tooth transmission sprocket for Big Twin 6-speed engines, 2006-2022. Precision-machined steel with hardened teeth for durability and easy OEM replacement without offsetting primary or transmission.

Features

• 25-tooth count for Big Twin 6-speed
• Precision-machined hardened steel teeth
• OEM replacement specification
• 0.500" chain pitch
• Off-set design allows wider tire fitment

Specifications

• Brand: Harddrive
• Manufacturer Part #: 191321
• Teeth: 25
• Chain Pitch: 0.500"
• Engine Type: Big Twin 6-speed
• UPC: 191361169335
• Weight: 1.88 lbs
• Country of Origin: China (Taiwan)

Fitment

Fits Harley-Davidson Big Twin 6-speed models, 2006-2022. Compatible with standard 0.500" chain systems.

Frequently Asked Questions

Will this sprocket fit my motorcycle?

Yes, if you have a Harley Big Twin 6-speed transmission from 2006-2022 using a 0.500" chain pitch.

Can I use this with a wider rear tire?

Yes — the offset design allows fitment of a slightly wider tire without offsetting the primary or transmission.

How long do these sprockets last?

The hardened-steel teeth are precision-machined for extended mileage compared to softer OEM sprockets.

Is this an OEM Harley sprocket?

No — this is a Harddrive aftermarket replacement built to OEM specification and distributed by Western Power Sports.