TRP G-Spec TR12 SL-M850 Rear Derailleur Speed: 12 Cage: Long Black MFPN=W020-0625 The XMC 1200 Spline is

The XMC 1200 Spline is the ultimate all mountain wheel

30mm installed diameter creates a low profile for more sensitive bike handling

7 Flange No Lock On Yes Shape Ergonomic Color Black/Gray Weight 306 Defined Color Black Size Small

Ergonomic BASF Infinergy core absorbs road shock vibrations and reduces stress on lower back Saddle Cut Out No Material Synthetic Clamp Style Standard Rails Gender/Age Men's Color Black/Gray Defined Color Black Size MD/LG

TRP G-Spec TR12 SL-M850 Rear Derailleur Speed: 12 Cage: Long Black MFPN=W020-0625 The XMC 1200 Spline isHall Lock G Spec Ratchet Clutch G Spec finishing touches: Carbon fiber cage & Upper link Extra wide parallelogram pivot Sealed cartridge bearings pulleys TECH SPECS Max Front Difference Single chainring only Maximum Cog 50T Minimum Cog 9T Primary Color Black Cage Long RD Capacity 41T RD Spring Type Hall Lock RD Weight 291g Speed 12 Mount Standard