Vertical Dropouts

Author	Message

ralphdabeat

Posted: Jan 7, 2019 at 16:50	Quote
Hi all. Just want to ask on how do you manage vertical dropout frames without chain tensioner. i want to convert my bike to single speed without tensioner. any suggestions on how many teeth i need.

walkingtall76

Posted: Jan 13, 2019 at 17:56	Quote
Teeth? Huh?

RaduPanda

Posted: Jan 14, 2019 at 3:07	Quote
There are few bikes with "unicorn gear" , what you could do is search on special websites, with chain calculator, so you can see what they thell you , for example maybe you could do it with a 34 front and 13 rear or something

Aaronz25RS

Posted: Jan 14, 2019 at 8:30

Quote

ralphdabeat wrote:

Hi all. Just want to ask on how do you manage vertical dropout frames without chain tensioner. i want to convert my bike to single speed without tensioner. any suggestions on how many teeth i need.

You don't, you basically have to have a tensioner or purchase a new chain when it loosens up, IF you can get chain length correct..

Meeners

Posted: Jan 14, 2019 at 13:08

Quote

Very rare to get the chain length just right not to have to use some type of tensioner unless you use the exact gearing combo... even then it will loosen over time and become slack. DMR has a tensioner you use with vertical dropouts. It's pretty decent. Double this with some spacers and an Origin 8 Single Speed Cog that spreads the load and you're Gucci. The DMR STS is nice because even if you clincher loosens it will keep the rear wheel in place so you don't die. The below is what I used before I went to horizontal dropouts.

DMR STS Chain Tensioner
https://www.amazon.com/DMR-Chain-Tensioner-Stainless-Steel/dp/B001GSKORE/ref=sr_1_5?ie=UTF8&qid=1547499877&sr=8-5&keywords=dmr+single+speed

Spacer Kit
https://www.amazon.com/Carbon-Single-Conversion-Spacer-Lockring/dp/B0037UD4T4/ref=sr_1_6?ie=UTF8&qid=1547499937&sr=8-6&keywords=Single+speed+spacers

Origin 8 Ultim8 Cog
https://www.amazon.com/Origin8-Ultim8-Single-Speed-Cassette/dp/B008ZTLVSS/ref=sr_1_2?ie=UTF8&qid=1547499991&sr=8-2&keywords=origin+8+cog

ralphdabeat

Posted: Jan 14, 2019 at 18:10	Quote
thanks for all the help guys. i saw some bike which is the same as mine in other pots but took ages to get an answer. i wanted to replicate what he did on his set up so i just needed to buy the hub, chain and chainring only, minus the tensioner.

ralphdabeat

Posted: Jan 14, 2019 at 18:12	Quote
this bike is what im talking about

Meeners

Posted: Jan 16, 2019 at 12:54	Quote
Again, what you will find is albeit feasible... After a few the chain will loosen. I was able to do it with a 24t/10t combo but eventually it loosened up enough to warrant a switch to horizontal.

walkingtall76

Posted: Jan 16, 2019 at 16:38

Quote

Unfortunately no bike with vertical dropouts will be able to successfully hold tension to a chain for an extended period of time... it will loosen off dramatically and start rolling off.

The only way to do it successfully and keep it functioning like a single speed bike with horizontal dropouts is by using a chain tensioner.

If you have enough money get a new frame- it will be easier in the long run and less headache. If not - Just save the money you would spend on trying to convert and put that with other savings into something that you want more...

ralphdabeat

Posted: Jan 17, 2019 at 19:06	Quote
thanks a lot on your suggestions guys, been planning to build a new one because i would keep my vertical dropout frame for XC purposes. i just want to ease some weight on my bike that is why i wanted it to be single speed. but i really want to keep it cause its my first dj bike. any suggestions on a new frame? i was thinking about commencal absolut.

walkingtall76

Posted: Jan 17, 2019 at 20:09

Quote

[Quote="ralphdabeat"]thanks a lot on your suggestions guys, been planning to build a new one because i would keep my vertical dropout frame for XC purposes. i just want to ease some weight on my bike that is why i wanted it to be single speed. but i really want to keep it cause its my first dj bike. any suggestions on a new frame? i was thinking about commencal absolut.[/Quote

Depends what you like versus what you've ridden before- do you like steel or Alloy? They are going to feel completely different- so that's the best place to start and go from there. NS bikes for me are by far the best frames you can get - a good selection at varying prices

ralphdabeat

Posted: Jan 29, 2019 at 16:53	Quote
Ive ridden 26 player and my latest is da bomb sonic boom which is the vertical dropout. now ive been thinking the absolut for it has much identical geometry on what i used before. nsbikes here in philippines are rare and would be costly if i wanted to ship. im thinking to buy in mid year so ive got a lot to go and maybe find other frames as well.

Neale1978

Posted: Jan 30, 2019 at 3:11	Quote
Hey Meeners, Just curious, which tyres are those on the hardtail?

RaduPanda

Posted: Jan 30, 2019 at 4:38

Quote

They are Vee Speedster (Two Six DJ)

Neale1978 wrote:

Hey Meeners,

Just curious, what tyres are those on the hardtail?

Neale1978

Posted: Jan 30, 2019 at 5:00	Quote
You can't get them over here. Cheers.

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