GregC Posted February 7, 2011 Share So came to the conclusion that I feel a lot more steady on my slightly scrappy single speed project bike, than I do on my Scott dual suspension.My Giant singlespeed has a large frame, the Scott has a small frame. The Scott feels like the front wheel wants to fall over to the side, and feels generally "twitchy", but on the giant I feel like i can ride in a straight line at 0.001 kilometers an hour... Any suggestions welcome.thanks Link to comment Share on other sites More sharing options...
gummibear Posted February 7, 2011 Share Check your head set ...sounds like it could be to tight. Link to comment Share on other sites More sharing options...
splat Posted February 7, 2011 Share It could be that the bigger bike's longer wheelbase offers more stabilityorthe angle of the fork together with the trail make a less twitchy front end and other suggestions ? Link to comment Share on other sites More sharing options...
chris_w_65 Posted February 7, 2011 Share Buy a Powerbalance band Link to comment Share on other sites More sharing options...
Daniel XTR Posted February 7, 2011 Share Stem AngleBar Width Link to comment Share on other sites More sharing options...
vanniri Posted February 7, 2011 Share Apart from the obvious benefits of getting a Powerbalance band... To compensate for the smaller frame on your Scott, you are probably using a 100mm or possible 110mm stem. The sensation you describe could be the result of this. To confirm this check the lenght of your stem on the Giant A possible cure will be to use a set-back seatpost (say 25mm) and shorten your stem by the same. Link to comment Share on other sites More sharing options...
David Marshall Posted February 7, 2011 Share Other possibilities are that the seatpost is too high for the small frame or that the rear suspension bushing/pivots are worn. If you hold the frame and rock the rear wheel there should be no lateral play at all. Link to comment Share on other sites More sharing options...
Goodbadugly Posted February 7, 2011 Share The dish of the wheels?The wheel axles are 100% in position when you close the qr's?Head tube angle?Headset sticky?The bike is just totally the wrong fit and size?The Klipdrift effect? Link to comment Share on other sites More sharing options...
Vetseun Posted February 7, 2011 Share Dont drink before you ride Link to comment Share on other sites More sharing options...
gongmech Posted February 8, 2011 Share how tall r u?? how can u ride a large in 1 frame and a small in the other?? seems like u need a frame that fits u. Link to comment Share on other sites More sharing options...
owti1997 Posted February 8, 2011 Share Training wheels? Link to comment Share on other sites More sharing options...
RudoJ Posted February 8, 2011 Share No Mr Min on the saddle!! Seriously, I dont know the reasons but hope you get it sorted Link to comment Share on other sites More sharing options...
GregC Posted February 8, 2011 Share Thanks for suggestions.So far I've given up drinking and ordered a power balance suit from a nice Chinese online store. -Im a +- 1.6m shortass so my 15" Scott feels like the best fitting bike Ive had. The Giant is large because thats the frame that was going, its a project and I have a teeny 50mm stem on it.-Scott has a 75mm stem, if I sit in riding position, handle bar/stem intersection lines up with axel ( i was always told this is a sizing point?)-headset seems fine-pivots etc feel solid, although rear shock isn't as stiff as i feel it should be (i have it pumped slightly harder than my weight rating currently)-My wheel does appear to be sitting closer to the disc side??-cant find training wheels in the colour I want Link to comment Share on other sites More sharing options...
bikemonster Posted February 8, 2011 Share A shorter stem (and not a longer stem!) will make a bike feel more twitchy because smaller inputs will have larger effects with a short stem. It could be that the Scott just has a more aggressive geometry. FWIW, the first few times I rode my Scott Spark it felt like it was turning in sharper than I had intended. After a few rides I became adjusted to the bike and now it's all good. Link to comment Share on other sites More sharing options...
GregC Posted February 8, 2011 Share A shorter stem (and not a longer stem!) will make a bike feel more twitchy because smaller inputs will have larger effects with a short stem. It could be that the Scott just has a more aggressive geometry. FWIW, the first few times I rode my Scott Spark it felt like it was turning in sharper than I had intended. After a few rides I became adjusted to the bike and now it's all good. Yeah it was only after mucking around so much on the Giant during diy-chain-tensioner-testing riding around in a small courtyard dodging dogs bowls and dogs that I felt a bit wobbly on the Scott. Link to comment Share on other sites More sharing options...
Seeker911 Posted February 8, 2011 Share I feel unstable at the best of times Link to comment Share on other sites More sharing options...
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