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SRAM/PRAXIS MTB   PM9  (Spider Only)



Newest member of the SRM MTB lineup! Designed to take on the most demanding conditions in XC, Enduro and DH. 


  • All new chassis design is more robust than ever meaning efficient and consistent force transfer for ultimate accuracy
  • Improved sealing = completely waterproof 
  • More BB clearance for large carbon frames
  • Rechargeable using fully sealed magnetic connector
  • 100hrs battery life
  • LED lights indicate cadence, charging and fully charged
  • Compatible with DUB and GXP cranks utilizing the standard 3-bolt interface
  • BOOST only 
  • Accuracy +/- 1%
  • Weight 515-652g
  • Chain rings 32, 34, 36, 38T
  • BCD 104
  • Q-Factor 168mm
  • Price $999 (Spider only)


All PowerMeters are hand built per order. Please allow 2-3 weeks for delivery.




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