This Rohloff SPEEDHUB 500/14 CC XXL OEM2 hub is designed for 190mm clamping width with 10mm axle slot (for CC quick release axle)The model codes (CC/TS) refer to the axle type. There are two different axle types available:¢CC- Cross Country. Hollow axle for use with a quick release lever (quick release axle).¢TS-Threaded spindle axle. Threaded axle with axle nuts m10The following part model codes refer to addition hub specifications:¢EX- External gear mech. With external gear mech.¢DB- Disc Brake. With a disc brake hub cap and external gear mech EX¢OEM- Official equipped manufacturer. ¢With CC OEM or TS OEM axle plate according axle type on for frame with Rohloff OEM dropouts. ¢OEM2- With CC OEM2 or TS OEM axleplate according axle type. For frames with international standard (IS1999) disc brake mounts. ¢PM. Post mount version. Axleplate available for both CC and A12 axle types. Anchors the SPEEDHUB torque via a OPM Bone to frames direct post mount brake caliper mount.¢T- Tandem Version. ¢XL- Xtra large. For frames with a 170/188mm spacing. Only available as a disc brake version finished in anodized black with 32H. ¢XXL- Xtra Xtra Large. For frames with a 190/197mm spacing. Only available as a disc brake version finished in anodized black with 32 spoke holes. The model codes (CC/TS) refer to the axle type. There are two different axle types available:¢CC- Cross Country. Hollow axle for use with a quick release lever (quick release axle).¢TS-Threaded spindle axle. Threaded axle with axle nuts m10The following part model codes refer to addition hub specifications:¢EX- External gear mech. With external gear mech.¢DB- Disc Brake. With a disc brake hub cap and external gear mech EX¢OEM- Official equipped manufacturer. ¢With CC OEM or TS OEM axle plate according axle type on for frame with Rohloff OEM dropouts. ¢OEM2- With CC OEM2 or TS OEM axleplate according axle type. For frames with international standard (IS1999) disc brake mounts. ¢PM. Post mount version. Axleplate available for both CC and A12 axle types. Anchors the SPEEDHUB torque via a OPM Bone to frames direct post mount brake caliper mount.¢T- Tandem Version. ¢XL- Xtra large. For frames with a 170/188mm spacing. Only available as a disc brake version finished in anodized black with 32H. ¢XXL- Xtra Xtra Large. For frames with a 190/197mm spacing. Only available as a disc brake version finished in anodized black with 32 spoke holes.