Trials Boy Posted June 4, 2005 Report Share Posted June 4, 2005 Hi, Just wondered, really what the title says, Do you HAVE to have a tensionar while running single speed? I know Dan Ko doesn't but Punkrider said yesturday that it can be dodgy. Can some one Help please? Cheers, Mat. :o Quote Link to comment Share on other sites More sharing options...
Dr. Nick Riviera Posted June 4, 2005 Report Share Posted June 4, 2005 yes its usually a good idea to run a chain tensioner otherwise you will damage your frame / hub / chain from it being too tight or loose , you could try runnign a half link to sort out the chain tension but it still wont be perfect , so the best bet is to just run a tensioner and be safe Quote Link to comment Share on other sites More sharing options...
Trials Boy Posted June 4, 2005 Author Report Share Posted June 4, 2005 yes its usually a good idea to run a chain tensioner otherwise you will damage your frame / hub / chain from it being too tight or loose , you could try runnign a half link to sort out the chain tension but it still wont be perfect , so the best bet is to just run a tensioner and be safe ← Ok thanks mate. :o :o Quote Link to comment Share on other sites More sharing options...
rich4130 Posted June 4, 2005 Report Share Posted June 4, 2005 If it is a good tension though, I cant see it being a problem. Quote Link to comment Share on other sites More sharing options...
Pauly Posted June 4, 2005 Report Share Posted June 4, 2005 yeh i use a rear mech with my single speed and its fine :o Pauly Quote Link to comment Share on other sites More sharing options...
Luke Drewery Posted June 4, 2005 Report Share Posted June 4, 2005 Do you mean do you have to run some kind of tensioner when you have singlespeed, or whether or not you can use a rear mech or tensioner etc? Anyways, it is best to use some kind of tensioner whether it be a rear mech or proper tensioner. A rear mech works the same though and is cheaper if you have one lying around somewhere. Just use an old bit of brake cable (with the bobbly bit on the end) to hold the rear mech in the gear you want, and voila, you have tension. :o Quote Link to comment Share on other sites More sharing options...
Trials Boy Posted June 4, 2005 Author Report Share Posted June 4, 2005 Do you mean do you have to run some kind of tensioner when you have singlespeed, or whether or not you can use a rear mech or tensioner etc? Anyways, it is best to use some kind of tensioner whether it be a rear mech or proper tensioner. A rear mech works the same though and is cheaper if you have one lying around somewhere. Just use an old bit of brake cable (with the bobbly bit on the end) to hold the rear mech in the gear you want, and voila, you have tension. :o ← This is what i mean: Dan Ko's bike, he doesn't use anything.....?? Quote Link to comment Share on other sites More sharing options...
Urpedigreechumdog Posted June 4, 2005 Report Share Posted June 4, 2005 He's just lucky, it's a matter of luck really, a half link can help as well though. Quote Link to comment Share on other sites More sharing options...
rich4130 Posted June 4, 2005 Report Share Posted June 4, 2005 Very rarely the chainring/rear cog/chainstay length provides the perfect length for good chain tension, only very rarely though, then the chain stretches and it goes slack. Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted June 4, 2005 Report Share Posted June 4, 2005 I used to run my mech as a tensioner but since putting a new (unstretched) chain on, the tension is about right without anything so I've removed it, running the bike like Dan's above. On a similar note, do mech hangers take any load off of the frame? Do you reckon it's ok if I take the hanger off the frame completely without damaging the frame? Dave Quote Link to comment Share on other sites More sharing options...
Chris Cook Posted June 4, 2005 Report Share Posted June 4, 2005 Yesterday i thought i had the same problem. I took had to snapped links only on one side though if you get me :o and my chain was to loose so i took them ad links out and then when it was back together me chain snapped. And i also had bent teeth on my ring. So i took my bike into the local bike shop and got them to put me my neew ring on and a new chain. They said you will probably have to use a tensioner one of theese : Click on the link to see ! But then they rang me up and said i dont need one because the chain was ok. But i will still problably have to get one whan the chain slacks of Chris :o Quote Link to comment Share on other sites More sharing options...
Dr. Nick Riviera Posted June 4, 2005 Report Share Posted June 4, 2005 I used to run my mech as a tensioner but since putting a new (unstretched) chain on, the tension is about right without anything so I've removed it, running the bike like Dan's above. On a similar note, do mech hangers take any load off of the frame? Do you reckon it's ok if I take the hanger off the frame completely without damaging the frame? Dave ← your qr bolts into the mech hanger so if you took it off your qr would only bolt onto half a dropout ? im not sure about the t-rex frame though Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted June 4, 2005 Report Share Posted June 4, 2005 your qr bolts into the mech hanger so if you took it off your qr would only bolt onto half a dropout ? im not sure about the t-rex frame though ← I've got a CK with funbolts, but yes, with the hanger off the hub will clamp down on half the material as with the hanger. I'm just not sure if the hanger itself takes any load or if it simply provides a mounting point for the mech/tensioner. Dave Quote Link to comment Share on other sites More sharing options...
forteh Posted June 4, 2005 Report Share Posted June 4, 2005 Now ive gone to 20-16 ratio I can run without a tensioner on my zoo boa. The chain was stupidly tight beforehand, just filed 1/2 mm out of the front of both dropouts and its perfect. Its great, cos the drive is instant with no slap or noise, one of the best mods to my bike Ive made :o Quote Link to comment Share on other sites More sharing options...
Chris Cook Posted June 4, 2005 Report Share Posted June 4, 2005 But i will still problably have to get one whan the chain slacks of Chris :o ← Looks like i am going to have to get one tomorrow ! Went rinding for an hour and the brand new chain has slackend of quite abit ! So i am going to have to by them tensioner things now. Never mind its achually pritty good because i can adjust my chain when ever i want and how ever :o Quote Link to comment Share on other sites More sharing options...
Tomm Posted June 4, 2005 Report Share Posted June 4, 2005 I've got a CK with funbolts, but yes, with the hanger off the hub will clamp down on half the material as with the hanger. I'm just not sure if the hanger itself takes any load or if it simply provides a mounting point for the mech/tensioner. ← No, it's not a load-bearing piece of alu flavour cheese. Take it off if you like. But as Daahnhillaaaa said, you might have to use a spacer or something to allow it to fit properly :o Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted June 4, 2005 Report Share Posted June 4, 2005 Yeah, that's what I thought but just needed confirmation! Dave Quote Link to comment Share on other sites More sharing options...
Caleb Posted June 5, 2005 Report Share Posted June 5, 2005 You could always use a snapped mech hangar if you have oone that fits and keep the fresh one incase you change your mind about a rear mech. I would run one if poosible because if you land on your chain and its too tight itll snap, if you do the same running a mech it bounnces a bit so wont snap. Quote Link to comment Share on other sites More sharing options...
dave33 Posted June 5, 2005 Report Share Posted June 5, 2005 not really very safe to just run a chain as when the chain gets streched it will slip, also when u go to bash your chain will be incontact with the wall this will damge your hub/chainring and chain, i would recomend the rholoff tensioner there are a bit expensive at around £40 but worth ever penny, lighter than an xtr mech to :P Quote Link to comment Share on other sites More sharing options...
JT! Posted June 7, 2005 Report Share Posted June 7, 2005 Whats to stop you getting some of those veticle to horizontaly thingys. So you have a setup like on a mod? Quote Link to comment Share on other sites More sharing options...
aj_trials Posted June 7, 2005 Report Share Posted June 7, 2005 Its not really wise to run a vertical dropout bike with no tensioner because there is always the risk of when you kick and the chain tensions it could pull the rear wheel out. your better of just having a rear mech and locking it out. works a treat :huh: (Y) Quote Link to comment Share on other sites More sharing options...
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