Shimano CS-R8101/8100 12-Speed Cassette Cog - 12t (E) Built In Spacer Type MFPN=11.7515.060.000 Lever can be rotated into

Lever can be rotated into an ideal position after tightening

Color Black Defined Color Black ISO Diameter 406 / 20" BMX ISO Width (mm) 56 Labeled Size 20 x 2

Zipp Freehub Bodies

The microSHIFT Sword rear derailleur for 1x system features a modern and innovative design with elegant mechanical operation

Shimano CS-R8101/8100 12-Speed Cassette Cog - 12t (E) Built In Spacer Type MFPN=11.7515.060.000 Lever can be rotated intoShimano CS R8101 8100 12 Speed Cassette Cog 12t (E) Built In Spacer Type. Shimano replacement cogs for CS R8101 CS R8100 and CS R9200 12 speed cassettes. Compatible with Shimano Ultegra CS R8101 Ultegra CS R8100 and Dura Ace CS R9200 cassettes TECH SPECS Tooth Count 12Cassette Body Type Shimano HG 11 12 Speed RoadDrivetrain Speeds 12