RaceFace ERA Direct Mount Chainring - 30t DM CINCH For Shimano 12-Speed HG+ Compatible Chain BLK CheckoutSpec= 2008-12 Red The Twin Skin Pro Medium

The Twin Skin Pro Medium uses the following technologies:

0 takes everything that made the NV great and makes it better

Garmin coach

tube and tire

Stack height designation for EC headsets includes 10mm cup (see tech specs)

RaceFace ERA Direct Mount Chainring - 30t DM CINCH For Shimano 12-Speed HG+ Compatible Chain BLK CheckoutSpec= 2008-12 Red The Twin Skin Pro Medium52mm chainline for 148mm rear spacing Stainless steel teeth provide a 500% increase in wear durability over aluminum. Carbon fiber construction reduces ring weight while improving stiffness and power transfer Direct Mount (DM) fits Race Face Cinch system splined cranks Narrow wide teeth prevent chain drop, updated tooth profile runs quieter Installs with a common Park Tool BBT 22 Shimano 12sp (SHI12) and SRAM 11 12 Shimano 11 (NW) versions TECH SPECS