Rohloff Speedhub 500/14 TS OEM2 Bolt-On Disc 36h Red MFPN=21104 } The name says it

} The name says it all

Does not include base plate

It's Garmin's first GPS bike computer with solar charging and multi-band GNSS technology so you can ride longer and get even better coverage under dense tree cover or the urban canyon

270 mAh lithium polymer battery charges in 2hours with micro USB cable (included)

so the brake can be precisely centered on the wheel and adjusted for return strength

Rohloff Speedhub 500/14 TS OEM2 Bolt-On Disc 36h Red MFPN=21104 } The name says it14 speed internal rear hub drivetrain system shifts under load Disc compatible: requires Rohloff specific 4 bolt rotor (sold separately) Reliable, low maintenance internal design for reduced wear Highly efficient with no gear overlap and maximum ratio range Shift indexing originates at the hub, instead of the shifter Hubs are to be laced 1x or 2x cross only. 3x can cause premature hub flange failure and therefore will not be covered under warranty