The job
Shaped pliers for opening and closing compatible derailleur-chain master links.
Park Tool · Master-link pliers

Shaped pliers for opening and closing compatible derailleur-chain master links.
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Shaped pliers for opening and closing compatible derailleur-chain master links.
Compatible master/quick links
Inspect the chain’s actual joining link and its instructions. A master link and a clip-on side-plate connector are not the same receiving interface.
What this choice changes
The MLP-1.2 belongs with chain tools because it works a different connection: the master link. Its shaped jaws act on the connector rather than pressing a rivet through a chain plate. Choose it when the actual chain uses the supported link style; choose a rivet driver when the joining method requires pin work.
Park Tool’s current MLP-1.2 scope includes supported 5–13-speed derailleur master links, with eTap AXS, Shimano XTR 12-speed and Campagnolo Ekar 13-speed named. It excludes the connector style with both pins fixed to one plate and a clipping side plate or spring clip. The construction of the link matters alongside its speed label.
The selected offer is one pair of pliers. It does not establish a replacement connector or chain as part of the purchase. Keep the link maker’s reuse instructions with the choice: a tool being able to operate a connector does not make that connector reusable.
| Detail | Specification |
|---|---|
| Working contact | Compatible master/quick links |
| Operations | Opening and closing the supported link style |
| Named maker scope | Supported 5–13-speed derailleur master links |
| Examples expressly named | eTap AXS; XTR 12-speed; Ekar 13-speed |
| Excluded connector | Two pins fixed to one plate with clipping side plate or spring clip |
| Selected package | One pair of MLP-1.2 pliers |
Inspect the chain’s actual joining link and its instructions. A master link and a clip-on side-plate connector are not the same receiving interface.
If the chain maker requires a new joining link, compare its exact model independently. The plier package is not evidence that a replacement link is supplied.
They work a supported master link. A rivet-driving operation needs the appropriate chain tool, so the two roles can be complementary.
The pliers do not establish reusability. Follow the exact connector maker’s replacement and reuse instructions.
That broad wording in an older listing is incomplete. The current exact-model maker page names supported XTR 12-speed master links; match the actual link rather than choosing only by brand.
Selected listing details, manufacturer information and source images were compared. No hands-on trial or universal fit is claimed. Product identifier: B00D9NW32I.