Redshift Sports ShockStop Computer Mount for Garmin - Black Model=Super Record 12 Speed Front Derailleur It has a rim

It has a rim

Model SLR Elite Idmatch S3 Rails Steel Top Fibra-Tek Color Black LxW (mm) 242x130 Weight 170g

25" when mounted to the axle or eyelets

}KMC X11EL Extra Light Chain - 11-Speed 118 Links Silver

Insert compatible 4-slot air-flow system

Redshift Sports ShockStop Computer Mount for Garmin - Black Model=Super Record 12 Speed Front Derailleur It has a rimThe ShockStop Computer Mount can be mounted in two positions either with the top two or bottom two ShockStop Suspension Stem bolts. Compatible with Garmin Forerunner QR kits Fits Garmin Edge 1000 in portrait mode when mounted in upper position Fits Garmin Edge 1000 in landscape mode when mounted in either upper or lower position