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Horizontal Dropouts


streetjibs

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hey guys... well im just completing custom frame order and am stuck on whether to have gears and vertical dropouts or singlespeed and horizontal dropouts..

Was keen on gears as it means can actually use the bike to ride around on instead of just trials alone. But then i think horizontal drops would be cool as you just use some chaintensioners (bmx style) and have no derailleur to hit, looks better imo and my only concern is how do people with horizontal drops (call;ing mod riders and mod/stock guys ere) find it? does the wheel move on big stuff? and is it a bit of a b*****d to setup (get the wheel straight).

I rode bmx for years and had no problems but that was brakeless and with big ass 14mm axles!

any advice for or against would be helpful

danny...

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dh_93_736x663.jpg

Something like this would be the best of both worlds. Horizontal dropouts for streety stuff and mech hanger for comps and what not. This is the dropout for the azonic steelhead so you could buy two hangers and chop the hanger bit off one so you have a streety hanger and a comp one as a spare.

To be fair i don't know why companies don't look at doing something like that on trials bikes as it would be ideal really... ah well, if its a custom frame bash them on and be proud to be so ahead of the game.

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I'd sooner use snail cams than tensioners, but I havn't a clue as to how they would perform on a 26", I guess if they are good enough for hermance they are good enough for anyone.

Wheel has maybe moved twice in a year (other than when I've wanted it to move) and they are NOT an issue when setting up brakes or anything, don't believe anyone who says they are.

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as long as you have a pro2 or a king hd axle ( big bolts ) then you wont have a problem, go for snail cams too( might need a bit off drilling to a bigger size for king fun bolts)

mod riders dont have a problem.

On the other hand get your chainstays the exact length to run a bedded in chain and run vertical with a hanger (to use a tensioner to bed the chain in and for biu comps)

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Talk to "Derf" dude I think he had Paul Turner's old Curtis T24 frame which was BMX dropouts and spacing, using a Profile rear hub, singlespeed.

Ask him how it worked out...

If "Derf" reads this please post how it went for you??

Thanks guys for you input. some really great ideas out there.. Im starting to lean towards vertical dropouts and derailleur n actually running some gears. Do u use the gears on yours matt?

I just cant decide yet cuz i think the horizontal dropouts look fairly neat and theres no hanger/derailleur to bend/snap! (though i havnt hit it in ages.. )

What would people recommend?? Its been years since iv had a trials bike with gears, and considering itll have a seat, it may well be worth it.

thx

danny..

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dh_93_736x663.jpg

Something like this would be the best of both worlds. Horizontal dropouts for streety stuff and mech hanger for comps and what not. This is the dropout for the azonic steelhead so you could buy two hangers and chop the hanger bit off one so you have a streety hanger and a comp one as a spare.

They are the weakest mech hangers ever, they snap increadibley easy compared to convencianly shaped ones. Where the mech hanger broadens to mount the mech its just so thin.

There also used on Saracens :) (Think I went through about 5 in one month and that was just as an everyday bike!)

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I went to horizontal dropouts a few months ago after having vertical for ages.

They're not really that hard to set up, if you have a new chain it might be annoying because my wheel moved back a bit as the chain stretched to keep it tight, which meant I had to move my brake pads, but that's not really the end of the world...

I do like not having a dropout to land on, as I broke a few of those before. I have landed on my chain tug a bit when trying to side hop and it bent, but still works. Think I should have cut the end off it though as it was much longer than needed, then it wouldn't have stuck out so much.

Oh and I think my wheel has moved on impacts a lot less than it used to with vertical.

Edited by Tommy d
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They are the weakest mech hangers ever, they snap increadibley easy compared to convencianly shaped ones. Where the mech hanger broadens to mount the mech its just so thin.

There also used on Saracens :) (Think I went through about 5 in one month and that was just as an everyday bike!)

My mate had the steel ones on his azonic. Landed on it loads of time, bent once i think but pair of pliers soon had it back in place.

Besides he said he'd be using the horizontals for street and the hanger for gears when in comps. If he gets two hangers he can just saw the hanger off with one and use the steel one for comps.

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QUOTE(danny B @ Aug 10 2007, 07:07 AM) <{POST_SNAPBACK}>
horizontal dropouts are aweful to keep you chain tight standard dropouts with a rolhoff single speed tensioner *** nuff said..

Ehm... did you ever try a proper horz drop-out set-up ? Just an axle like on here hub-surlyfixed.jpg and maybe chain tugs, though they are quite optional. Though you just might be a tension freak.

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horizontal for the win. In the perfect world, all chainstays would be the perfect length for your chain to fit perfectly without the need for a mech or horizontal dropouts to tension. Fatmike had that effect with his iolo or freshproducts frame im certain... was ideal! Although he had the hoffman (adapted for Chris king though) style dropouts im sure you could measure carefully a chainstay length using a pre-stretched chain and run vertical dropouts....you get the idea

But as its not the perfect world, Id rather run no gears + no mech/tensioner and use snail cams.

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thanks guys - really good posts even if its hard to draw a clear conclusion.

Im going to stick with vertical dropouts and run gears (if i dont like em - will go bk to s/s) . the only real appeal of horizontal to me is the cleaner "look".

though im stil thinking bout it... :S horizontal does look sweet and although i rarely bust my hanger its definately a plus.

anyways will probly go for vertical . thx though :)

danny..

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