How much of a difference does 1.4" in chain stay actualy make?
06-23-05, 01:56 PM
#1
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How much of a difference does 1.4" in chain stay actualy make?
How much of a difference does 1.4" in chain stay actualy make?
I am looking at the geometry of the 58cm frames for the Surly LHT and the Surly CC and that would seem to be one of the key differences.
I am looking at the geometry of the 58cm frames for the Surly LHT and the Surly CC and that would seem to be one of the key differences.
06-23-05, 01:58 PM
#2
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You'll be less likely to get heel strike on panniers with the longer chainstays. That's pretty much the only reason Surly made the chainstays longer on the LHT. It's more of a touring bike than the CC. 
06-23-05, 01:59 PM
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It affects the chain deflection in while shifting across the cassette.
It also plays a role in the center of gravity of the bike. Slack headtube angle and short chain stays means bike can tolerate a more forward body position (assuming wheelbase is the same)
It also plays a role in the center of gravity of the bike. Slack headtube angle and short chain stays means bike can tolerate a more forward body position (assuming wheelbase is the same)
06-23-05, 02:57 PM
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I have found an inch or more makes the bike feel more comfy over bumps, in the saddle. Some say longer Cs = more sluggish in climbs but I haven't noticed that big a difference there, unless we're talking a mtb in loose dirt.
06-23-05, 03:54 PM
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Chainstay length influences many things from affecting overall wheelbase which changes the complexion of handling...to fore/aft rider weight distribution...to tolerance to X-chaining to typical rear triangle stiffness for power transmission. It is in effect the back half of the frame so pretty important and many times a function of rear wheel clearance based upon seat tube angle which changes typically from small to big bikes within the same frame model.
George
George
