RobinD Posted October 17, 2011 Share hey guys after riding yesterday i had major problems with my pedal falling off. The bolt seems to get loose fairly quick. I got a Merida Matts TFS 300 D-one of these Now to not have to worry about keeping it tightened, do i look at a new crank system? and will i need a new BB if i look at going with hollow crank? any suggestions muchly appreciated Link to comment Share on other sites More sharing options...
Knight Posted October 17, 2011 Share Had the exact same issue on my ride this afternoon ... Seems the thread on my crank arm (left) is stripped Do I need to replace or is there another option ... Any help appreciated ... Link to comment Share on other sites More sharing options...
rad006 Posted October 17, 2011 Share Maybe a helicoil? Link to comment Share on other sites More sharing options...
David Marshall Posted October 17, 2011 Share Firstly, Knight, there are options but a new crank is probably the best and cheapest if the thread is stripped. Just remember the left hand pedal - from the riders position - has a LEFT HAND THREAD! RobinD, If the pedal alone is falling off (not the pedal and crank arm) make sure the thread is not stripped and then tighten the pedal to the correct torque of 35 to 40 nm. This is way tighter than you can ever get with with a multi tool. Probably as tight as you can get with a 250 mm handel pedal spanner.Again remember left has LH thread and the right is RH. Similarly if the whole arm is comming off retighten the bolts holding the arm to the square taper to 35nm. (Both have normal RH threads). Yes, you will need to get a new bottom bracket for a hollow crank. Link to comment Share on other sites More sharing options...
Big H* Posted October 17, 2011 Share hey guys after riding yesterday i had major problems with my pedal falling off. The bolt seems to get loose fairly quick. I got a Merida Matts TFS 300 D-one of these Now to not have to worry about keeping it tightened, do i look at a new crank system? and will i need a new BB if i look at going with hollow crank? any suggestions muchly appreciated The Shimano Hollowcrank II system normally comes with a new external Bottom Bracket. Link to comment Share on other sites More sharing options...
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