Harddrive Rear Steel Sprocket - 51t Flat 1984-2022

Harddrive rear steel sprocket, 51-tooth flat design for V-twin motorcycles running 530 chain conversions. CNC-machined from carbon steel and hardened for wear resistance, with a hub adapter ring that fits both 1984–1999 and 2000–2022 Harley and Indian wheel hubs.

Features

• CNC machined from carbon steel
• Hardened for impact and wear resistance
• Flat profile for 530 chain conversion
• Hub adapter ring fits 1984-1999 and 2000-2022 hubs
• Black zinc passivation coating
• Engineered and manufactured in Poland

Specifications

• Brand: Harddrive
• Manufacturer Part #: RFE-7080_WPS:51-BLK
• UPC: 191361510885
• Tooth Count: 51
• Weight: 2.5 lbs
• Dimensions: 12 in L × 12 in W × 0.5 in H
• Finish: Black zinc passivation coating
• Country of Origin: Poland

Fitment

Fits V-twin motorcycles using 530 chain drive. Compatible with Harley-Davidson and Indian Motorcycle models 1984–2022 via included hub adapter ring for both 1984–1999 and 2000–2022 hubs.

Frequently Asked Questions

Will this fit my Harley or Indian straight out of the box?

The sprocket includes a hub adapter ring compatible with 1984–1999 and 2000–2022 hubs. Some alignment spacing adjustment will be required during installation.

Is this for chain or belt drive?

This is a steel sprocket designed for 530 chain conversion. If you're running belt drive, you need a different sprocket.

Do I need a transmission sprocket too?

Harddrive recommends using their transmission sprockets with multiple offset options to achieve proper chain alignment and spacing.

What's the tooth count?

This is a 51-tooth sprocket — a common choice for highway cruising and torque delivery on V-twins.

Where is this made?

Engineered and manufactured in Poland to OEM specifications.