Birzman Chain Keeper (New)

Sale priceRs. 2,775.00


A Chain Keeper (dummy hub) compatible with both QR and 12 mm thru-axle dropouts without switching of parts or adapters.

Featuring a free-spinning and side-shifting pulley wheel, allowing shifting of the derailleur and a high polymer spacer providing abrasion protection against dropout surfaces, this is a quick and easy tool to have on hand for routine cleaning and maintenance work.


  • Material : CNC machined aluminium / Alloy steel / High polymer
  • Size : 140 x 110 x 50 mm



  • Pulley wheel is compatible with single -13 speed chains
  • If the handle comes loose, clamp on to the tool with a 14 mm wrench, then tighten the handle
  • All tools should be stored in a dry environment

Sizing Information

  • Size - 140 x 110 x 50 mm

  • Country of Origin - Taiwan

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