Cinelli Pista Aluminum 6061-T6 Bar (31.8) 42cm Black CheckoutSpec= M6x22.0mm These chainrings are for Shimano

These chainrings are for Shimano direct mount cranks

You will need our 6mm bolts which are optimized for single ring mounting

} Set of 27 pairs of tire levers

BNS Mobile Race Service will perform professional race waxing at the Masters World Cup (MWC) from Jan 31-Feb 5

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Color Black/Silver Defined Color Black Defined Color Silver Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Offset 0 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 38

Cinelli Pista Aluminum 6061-T6 Bar (31.8) 42cm Black CheckoutSpec= M6x22.0mm These chainrings are for ShimanoDouble butted 6061 T6 aluminum handlebar for track use Anodized and shot peened finish 330g @ 42cm: all measurements are center to center Clamp 31. 8mm Width 42cm Drop 173mm Reach 109mm Material Aluminum Color Black Size 42Cm