HUP DM SRAM 3-bolt 26T/28T/30T/32T/34T Narrow-Wide Chainrings Triathlon Collection Only standard bike tools required:

Only standard bike tools required: Allen keys

or roll out panniers

Model No: SB-R400K(S) Short Reach version

Chainring offset: 0mm super-boost

Bottom Bracket: 24mm Shimano

HUP DM SRAM 3-bolt 26T/28T/30T/32T/34T Narrow-Wide Chainrings Triathlon Collection Only standard bike tools required:A direct mount (SRAM 3 bolt) narrow wide chainring designed to keep chains securely in place. Compatible with all 9, 10,11 or 12 speed chains (including SRAM Eagle) with 3mm offset for boost chainline and 6mm offest for non boost chainline. These HUPcc chainrings are CNC machined from 7075 T6 aluminium in the UK. Alternating narrow wide profile teeth help reduce sideways movement in rough terrain which normally derails chains. Complex precision