KMC S1 BMX Chain (Silver/Black) (Single Speed) (112 Links)

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KMC S1 BMX Chain (Silver/Black) (Single Speed) (112 Links)
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KMC S1 BMX Chain Description:

The KMC S1 is a single-speed chain suitable for use with internally geared hubs, or any single speed drivetrain.


  • High pin power with reinforced durability
  • Offers a quieter riding experience
  • Anti-drop design
  • Inner plate chamfering helps to provide fast and smooth shifting
  • Internal gear hub system compatible


  • Speeds: Single Speed
  • Links: 112
  • Chain Width: 1/2" (Outer), 1/8" (Inner)
  • Chain Connector: Master Link (Reusable)
  • Pin Type: Solid
  • Color: Silver/Black
  • Weight: -

This product was added to our catalog on September 12, 2020

Eric Moreira
Verified Owner
Monday, Sep 12 2022 (about a year ago)
KMC S1 BMX Chain (Silver/Black) (Single Speed) (112 Links)
I just put it on, so not a long term review, but it works fine. I'm a bit skeptical of the quick link, but worst case is that it fails and I can just go old school with it and chuck the quick link. The quick link is not the usual plate with a chamfered snap lock. It is flat on both sides and you slightly bend the chain to "snap" it in place. But it didn't really "snap" in place, but it was not falling off so I guess it is in place.
Rory Hulsey
Monday, Jan 18 2021 (about 3 years ago)
KMC S1 BMX Chain (Silver/Black) (Single Speed) (112 Links)
good chain. I use it on my bike. dyxbedhbcxgehdbcxghedbx gedvc