RockShox Vivid / Kage Coil Spring 250lb 240 x 76 Gray MFPN=8030819178937 requiring less force per pump

requiring less force per pump stroke than competitor pumps to inflate high-volume tires

This link explaining 148mm Boost spacing will help you decide if you need the M5 or M8

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RockShox Vivid / Kage Coil Spring 250lb 240 x 76 Gray MFPN=8030819178937 requiring less force per pumpRockShox Vivid Kage Coil Spring 250lb 9. 5" x 3" Gray. RockShox Vivid Kage Rear Shock Springs provide desired tuning and are great for service and repair. Coil springs are available in many sizes and weight ratings Each are available separately and are not included with Vivid and Kage aftermarket shocks TECH SPECS Stroke (ins) 3 I. D. (mm) 38 Material Steel Spring Weight 250