6-8 Speed Chains

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Shop 6, 7 and 8 speed bike chains from KMC and Positz for commuters, hybrids, kids bikes and entry-level mountain bikes, including chains for internal gear hubs and 50 metre workshop rolls.

At a glance

  • For 6, 7 and 8 speed bikes
  • 1/2" x 3/32" size
  • Hub gear compatible options
  • 50m workshop rolls available

How to Choose a 6-8 Speed Chain

6, 7 and 8 speed bikes all use the same 1/2" x 3/32" chain size, so one chain covers all three. You will find these drivetrains on commuter bikes, hybrids, kids bikes, cruisers and entry-level mountain bikes.

Budget or Upgrade?

The Positz S52, KMC Z7 and KMC Z51 are low-cost chains with Z-bridge plates for smooth shifting, perfect for everyday bikes. The KMC Z7 is also compatible with internal gear hubs. Step up to the KMC X8 for a half nickel-plated, extremely long-wearing finish and KMC's faster-shifting Double X-Bridge plates.

8 Speed e-Bikes

Bosch and other 8 speed chain-driven e-bikes put far more force through the chain. The KMC e8 Turbo is built for that load. See all our e-bike chains.

Workshop Rolls

The KMC X8 50 metre roll makes about 36 chains and includes 40 MissingLinks, ideal for workshops, schools and rental fleets.

When to Replace Your Chain

Replace a 6-8 speed chain at or just before 0.75% wear. A rusty, stiff or skipping chain is also a clear sign it is time for a new one.

6-8 Speed Chain FAQs

Will an 8 speed chain fit a 6 or 7 speed bike?

Yes. 6, 7 and 8 speed bikes all use the same 1/2" x 3/32" chain.

Can I use these chains on a hub gear bike?

The KMC Z7 is listed by KMC as compatible with internal gear hubs.

Are connecting links included?

Yes, the KMC Z7, Z51 and X8 all include a KMC MissingLink.

How many links do I need?

116 links suits most bikes. Shorten the chain to fit with a chain tool.

6-8 Speed Chain Brands We Stock

We stock 6-8 speed chains from KMC and Positz, plus Positz 5-8 speed quick links to join them. Fit and check your chain with our chain tools.