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re:Sugino GP crankset - help please
In category Tech issues
Written by Pink

I'm a bit of a newbie on cycling repair etc, so please bear with me

I'm building up a commuting hack from an old road frame and I'm looking for a little advice on bottom bracket size to go with a Sugino GP triple crank (or chain) set.

I picked up this set cheaply from a mate, but it doesn't have any guide for BB sizes in a standard frame. The old BB was a shimano 68 x
113mm coupled to a Sora tri

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Bottom Bracket Size Needed for Correct Chainline?
In category Tech issues
Written by ccrider

Just got a Raceface Turbine LP crank (26-36-48) with ISIS bottom bracket to put on my touring bike. The rear spacing is for 130mm hubs. The shop sold me a bottom bracket with 113mm spacing. The bottom bracket instructions say the ideal chainline for this equipment is 48.5 to 49.5mm.

I measured the existing chainline before taking apart the bike, and found it to be about 46mm (to the center of

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