Thread: sram omniums = best track cranks to choose?
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Old 06-13-12, 11:20 AM
  #21  
prooftheory
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Carleton also answered this question in post #2. The GXP bottom bracket needs to be upgraded which makes it uneconomical. A pinging, grinding bottom bracket isn't a big deal at 20mph but at 40mph you are definitely losing efficiency.
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