I have the chance of a ribble winter trainer and am thinking of replacing my current "winter & commuter" bike which is just too nice and I never want to leave it anywhere! (Am also loosing my secure indoor parking at work
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It sounds pretty rough and to my untrained eyes looks like it may need a new front crankset, cassette & chain and maybe bottom bracket.
That's where I'm stuck, it's currently Shimano Tiagra 9 speed kit and from what I've read I can fit a 10 speed crank with 10 speed chain (keeping the rest 9 speed) but what BB is it? English thread and outboard BB cups fit?
)It sounds pretty rough and to my untrained eyes looks like it may need a new front crankset, cassette & chain and maybe bottom bracket.
That's where I'm stuck, it's currently Shimano Tiagra 9 speed kit and from what I've read I can fit a 10 speed crank with 10 speed chain (keeping the rest 9 speed) but what BB is it? English thread and outboard BB cups fit?

