What??? Only 2 wheels?
Join Date: Apr 2010
Location: Boston-ish, MA
Posts: 13,434
Bikes: 72 Peugeot UO-8, 82 Peugeot TH8, 87 Bianchi Brava, 76? Masi Grand Criterium, 74 Motobecane Champion Team, 86 & 77 Gazelle champion mondial, 81? Grandis, 82? Tommasini, 83 Peugeot PF10
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How long your chain?
Which is to say, how long a distance would you expect one to last?
The reason I ask is that on several occasions lately my commuter UO8 has thrown the chain from the chainrings, sometimes inside on a downshift, sometimes outside on an upshift. The chain is an SRAM PC870 with about 700 miles and a reasonable number of shifts (I guess). The crank is a VeloOrange compact double. When I first installed this chain back in April it shifted impressively promptly with no trouble whatsoever. I suppose it is possible that the RD (a Suntour Vx w/GT-cage) is keeping it under less tension. But I'm thinking that the chain is now worn and more laterally flexible.
Yea or nay? Comments?
Thanks,
Jim
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