Thread: Pulleys: 5-7 vs 7-10 speed
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Old 10-27-10 | 05:30 AM
  #8  
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Kimmo
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Bikes: https://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=152015&p=1404231

7spd into 126 should be fine as long as you keep the chain to dropout clearance to within a couple of mm. If you're a heavier rider, an OCR might be advisable, but then you could go 8-11spd no worries in 126.
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