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@aserota
Hi all,
Not having a good two weeks in terms of cycling. In under 150 miles of cycling i've had 4 puntures (and need a new tyre) and have somehow snapped two chains....anyway
My fixed is now up and running, but after 10 miles or so of riding it seems to have a problem when brakeing.
When i 'leg' brake, the cranks slip back/forward about 2-3 inches and the wheel does not lock. I have checked the cog and lockring and they seem to be tightened as much as they can be. The BB has no movement side to side and the cranks are in good nick.
Ive recently put on a 39T chainring and had a new chain fitted (its a 15T euroasia cog btw).
Any ideas?