If yous've snapped a chain or your chain is jumping, follow our steps below for replacing the affected chain link.
How to fix a stiff chain link
Quick fix tips for replacing a snapped spoke
Yous'll demand (depending on concatenation):
Concatenation hanger/bent spoke
Chain tool
New chain link
Stride 1
Step 1. Identify the issue
Jonny Ashelford / Firsthand Media
If your chain has snapped, information technology'll be pretty obvious where the broken link is. If information technology's but skipping, you lot'll need to identify the damaged link.
Dorsum-pedal the cranks and when the offending link passes over the rear mech'south jockey wheels the chain will jump.
Step 2
Step ii. Remove chain tension
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Modern SRAM mechs accept a 'Cage Lock' to take the tension out of the chain. On other mechs, you'll demand to apply a chain hanger/aptitude spoke to hold the chain ends together, with some overlap (switch the clutch off first on Shimano Shadow Plus mechs).
Step 3a
Step 3a: Remove the broken link
Jonny Ashelford / Immediate Media
If you have a primary link (or quick link), ensure that the broken link is on the upper section of chain (above the chainstay). Then employ a concatenation tool to push out the pin holding the broken outer link to the adjacent inner link (turning it clockwise).
Remove the chain tool and the cleaved link.
Pace 3b
Step 3b: Retension the chain
Jonny Ashelford / Firsthand Media
Attach a master link plate to each cease of the chain, ensuring that they face up in opposite directions. Push them together until they lock.
Put weight on the frontwards pedal while property the rear wheel still. This should tension the chain and snap the master link into place.
Step 4a
Step 4a: Remove the cleaved link if the chain doesn't have a master link
Jonny Ashelford / Immediate Media
If y'all don't take a master link, you'll need to remove the broken link and rejoin the chain.
Ensure that the cleaved link is on the lower section of chain (beneath the chainstay). Utilise the Cage Lock or a chain hanger to de-tension the chain, so that the ends hang down.
Step 4b
Step 4b: find the next undamaged outer link
Jonny Ashelford / Firsthand Media
On the finish with the broken link, discover the side by side undamaged outer link and utilise a chain tool to push the nearest pivot just far plenty (clockwise) so the inner link tin be removed. (On a skipping chain, first pause information technology by pushing 1 pivot of the damaged link fully out.)
Step 4c
Step 4c: align the link
Jonny Ashelford / Immediate Media
Marshal the inner link at the other end of the broken concatenation with the pin yous've just pushed through the outer link.
Use the concatenation tool to push button the pin back through the new link until it's almost flush. If the link is strong, wiggle it from side to side until it moves freely.
Note that reusing an existing pin is fine to go yous home simply is not recommended as a permanent ready with mod, high operation bondage. If in uncertainty, e'er adhere to manufacturer guidelines as chain failure can lead to injury.
What's a master link?
Master link
Jonny Ashelford / Immediate Media
Bondage consist of pairs of inner and outer plates, joined with pins. A master link takes the place of a pair of outer plates and tin can be fitted hands past hand, which is swell for fast trailside fixes.
Check out our video on changing chain links on Shimano, SRAM and KMC chains below.
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