HI there , I recently purchased the above mentioned bike second hand and have noticed that when pedalling the large cog on the front does not turn in a straight line and seems to move from side to side slightly on the right pedal , I have tighened up both sides pf the crank but the problem is still there could it be the bottom bracket needs replacing , All advice appreciated .
Boardman CX Comp Cyclocross
- Thread starter Billi1179
- Start date
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Cycleops
Legendary Member
- Location
- Accra, Ghana
After checking the above to determine whether it’s the bottom bracket bearings or a bent chainring hold the crank and pull to to and fro, anything more than a slight movement indicates the bearings are worn or wearing out. If you’re getting a lot of movement that will make chainring look like it’s run out of true. Turn the drive side holding the pedal to check the chainring.
to CC Billy.
to CC Billy.
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