FSA Duron X Threaded Headset 27.5mm Upper / 13.1mm Lower Stack Height Model=HRM-Pro Plus Heart Rate Monitor Tractor style tread for the

Tractor style tread for the harshest mud

Lower cup Stack height: 3mm

}We The People Team BMX Seat - Pivotal Indigo Camo Fat

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

10 to 36t gears are constructed with monoblock steel for high wear resistance and longevity

FSA Duron X Threaded Headset 27.5mm Upper / 13.1mm Lower Stack Height Model=HRM-Pro Plus Heart Rate Monitor Tractor style tread for theFSA Duron X Threaded Headset 27. 5mm Upper 13. 1mm Lower Stack Height. FSA Duron X threaded headset.