Chain rub on guard... ideas?
I've recently switched my bike to a single chainring. All in all I really like it, but my chain rubs in the two smallest cogs of my cassette. I need those two cogs when on the road since I'm running such a small chainring.
Configuration: TruVativ Elita Cross GXP External Bottom Bracket 39T mounted on the inside BBG Bashguard mounted outside - 42T max Redline Chain Keeper SRAM PG950 9 spd cassette, 12-26 What are some suggestions to try? Guard and chainring closer to the same size? Longer spindle? Washers to push the guard out a bit? TIA! Kirk |
I run a "similar" single chainring 36t w/ 42t franken-grind guard. But I haven't noticed any rub on the guard. I think the washers/spacers inside the guard would be the easiest/cheapest way to go. You may want to get sets of various gauges to eliminate the dreaded "gotta go back to the shop again":mad:. Hope you solve the problem.
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What is your chainline like? It may be possable that you need to install a size larger bottom bracket.
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Originally Posted by Milice
(Post 5652505)
What is your chainline like? It may be possable that you need to install a size larger bottom bracket.
washers/spacers are your friend... |
Originally Posted by ~stella
(Post 5652909)
OP said they have an exo bottom bracket.
washers/spacers are your friend... |
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