RockShox Metric Coil Spring - Length 174mm Travel 67.5-75mm 300 lbs Black MFPN=CR0062 }Easton EC90 SL Crank Spindle

}Easton EC90 SL Crank Spindle 30mm

Surly Stainless Steel Track Lockring

or Xtreme-Pro

}MRP Standard Roller Kit Black

RockShox Metric Coil Spring - Length 174mm Travel 67.5-75mm 300 lbs Black MFPN=CR0062 }Easton EC90 SL Crank SpindleRockShox Metric Coil Spring Length 174mm Travel 67. 5 75mm 300 lbs Black. Metric Coil springs are available in many sizes and weight ratings allowing riders to take full advantage of their shock's rebound and compression adjustments by dialing in the spring rate and setting the correct suspension sag. Coil springs are available in many sizes and weight ratings Each are available separately and are not included with aftermarket shocks