KMC K1 Chain (Wide) / 112L in retail packaging, designed for single speed (1-speed) bikes, features "Unsurpassed Chain Strength" and "Kool Chain" branding.
A KMC K1 Chain (Wide) / 112L with silver and black links is displayed, accompanied by its product specs and features on the left.
A KMC K1 Chain (Wide) / 112L single speed bike chain in blue, visible inside a clear plastic case.
A coiled KMC K1 Chain (Wide) / 112L in metallic purple, displayed against a white background.
A package of KMC K1 Chain (Wide) / 112L, renowned for unsurpassed strength, ideal for single-speed bike chain replacement.
KMC K1 Chain (Wide) / 112L: 1/2" x 1/8", 9.5mm pin, single speed chain ideal for BMX, track, or fixed gear bikes; compatible with KMC K1 models and includes MissingLink.

Highlights

  • Wide 1/2 x 1/8 inch
  • 112 links out of the box
  • Connect link included
  • Built for single speed

Description

The KMC K1 is a wide 1/2" x 1/8" single speed chain, supplied at 112 links in silver.

It comes with a KMC connect link, so you can size it to your chainstay and join it back up with the hardware in the packet.

Features
  • Wide 1/2 x 1/8 inch. The wide profile matches standard BMX sprockets and drivers, so it drops onto a normal single speed setup.
  • 112 links out of the box. That gives you room to trim the chain back to the right length for your gearing and chainstay.
  • Connect link included. A KMC connect link comes in the packet, so you can join the ends once the chain is sized.
  • Built for single speed. It is a single speed chain, which is exactly what a BMX drivetrain runs.
  • Plain silver finish. Silver keeps it neutral, so the chain sits in with whatever colours you have on the bike.

Specifications
  • Length: 112 links
  • Chain size: 1/2" x 1/8", wide, single speed
  • Included: Connect link
  • Colour: Silver

Chain length calculator
Display

Sprocket, driver and chainstay in, link count out.

This chain

Standard: link counts go up in twos.

Links to run

Chain length —links
Cut from new chain —links
Gear ratio —:1

Enter the sprocket, driver and chainstay to get a link count.

Open the full chain calculator for measuring help.

KMC K1 Chain (Wide) / 112L

Brand: KMC SKU:

$22.00 USD

Or 4 payments of $5.50 USD with

Colour - Silver

Width - 1/2 x 1/8

KMC K1 Chain (Wide) / 112L - Silver / 1/2 x 1/8

$22.00 USD

Price match request

$12.99 flat-rate shipping Australia-wide

Express from $21.99

Free in-store pickup - Brisbane

Availability

1/2 x 1/8
Silver
Silver/Black
Blue
Purple
Red

● In stock at LUXBMX ● With supplier ● Preorder ○ Sold out

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