I'm new to mountain biking I bought a K2 Shadow Nine mtb on black friday 11/22/12 because I wanted to get in shape and I was on a budget. I started riding it everyday around Jan 5 2013 and after about two weeks i stripped the stock crank arm on the side opposite the sprocket it was splined. I took it back to the store where I bought it and they said it was a defect and the bike came with a 1 year warranty so they would fix it no charge. The crank they replaced it with is a SR Suntour XCT and after about a week on riding it it keeps coming loose on the same side and wont stay tight after only minutes of riding...I'm not sure what to do. it is a sqaure style mount not flanged I'm not sure which is better.
I'm a big clyde I was 308 LBS when I started riding and am currently at 295 and i'm 6'3" tall. Should I get a chromoly crank? I used to ride bmx when I was youner so I stand to pedal a lot is that breaking them? I'm wondering because I stand a lot and am a big guy if a DJ bike would be stouter and hold up to me better?
Any help/ Advice is apperciated...
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Thread: Breaking Cranks...Help Please!
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