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18 Teeth Single-Speed Bicycle Freewheel Sprocket Metal Replacement Part

£7.99 (as of 10/24/2026 06:26 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

An 18 Teeth Single-Speed Bicycle Freewheel Sprocket in metal, made as a replacement part for a single-speed bike rear wheel hub. It uses internal threads for fitting, so check tooth count and rear hub compatibility before choosing an offer.

SKU: B0H93S5HHL Category:

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Not sure yet?Bicycle Hubs Buyer GuideRead what to compare before you choose

Quick Summary

The 18 Teeth Single-Speed Bicycle Freewheel Sprocket is a metal replacement part for a single-speed bicycle rear wheel hub. It is described as an 18-tooth sprocket with internal threads for fitting to the rear hub.

The part is intended as a replacement for a worn, damaged or broken original freewheel sprocket. If you are choosing between offers, check the tooth count and rear hub fit before buying.

Key Details

Detail Verified information and buyer relevance
Product type Single-speed bicycle freewheel sprocket replacement part.
Tooth count 18 teeth, so the sprocket spec needs to match the bike’s existing setup.
Material Metal construction, which is the stated material for the part.
Fit type Internal threads for rear hub fitting, so hub compatibility matters.
Use Replacement for a worn, damaged or broken original sprocket on a single-speed bike.

What to Compare Before Buying

  • Tooth count: This part is 18 teeth. Check that the replacement matches the sprocket you are changing.
  • Rear hub fit: It uses internal threads, so the rear hub specification needs to suit this type of fitting.
  • Bike type: It is described for single-speed bicycles, so confirm that is the setup you have.
  • Replacement need: Compare it with the sprocket you are removing to make sure the part and format match.

Before You Decide

Confirm the 18-tooth size and rear hub thread fit before choosing an offer. This part is for single-speed bicycle use, so it should match the setup on the bike you want to repair.

Brand

Generic

Manufacturer

SwiftCartSZH

Product Group

Outdoors

Part Number

AVC-552

Model

ATV-777

Warranty

Nothing

Color

Brown

Product Dimensions

3.07 x 3.06 x 0.39 inches

Item Weight

0.04 pounds

Size

One Size

Number Of Items

1

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