ISCG05 CHAINGUIDE – This guide is made specifically for MTB bikes with ISCG05 mount. With simple adjustment with a 4mm Allen wrench, you set the vertical and lateral location of the guide head. The guide head can also be adjust to swing up and out of the way for easy access and maintenance of your Chain/Crank/Ring.Elegant no shim/washer design allows for simple setup with only a 4mm allen wrenchThis guide is made specifically for bikes with ISCH05 mounts. With simple adjustment with a 4mm Allen wrench, you set the vertical and lateral location of the guide head. The guide head can also be adjusted to swing up and out of the way for easy access and maintenance of your chain/crank/ring.• Chainguide for ISCG’05 MTB bicycles• Short 26T-32T Tall 26T-38T• Alloy boom, and inject mold guide head• 4mm Allen wrench to adjust vertical, lateral, and guide head• One extra guide head included