All arounf fixed gear configuration (MTB) - Question
09-20-07 | 02:22 AM
#1
Thread Starter
Same Speed, Different Day
Joined: Dec 2006
Posts: 35
Likes: 0
All arounf fixed gear configuration (MTB) - Question
Hi All,
I'm thinking about building a fixed all-around-bike out of a MTB frame.
The bike should be able to cross trails (moderate !! no XC, no jumps etc.) but should also be comfortable so I can make it up the hills and high enough that I can go reasonably down the other side.
I already have a 13 tooth cog so it will be nice to use it
Any suggestions?
I'm thinking about building a fixed all-around-bike out of a MTB frame.
The bike should be able to cross trails (moderate !! no XC, no jumps etc.) but should also be comfortable so I can make it up the hills and high enough that I can go reasonably down the other side.
I already have a 13 tooth cog so it will be nice to use it
Any suggestions?
09-20-07 | 02:34 AM
#2
No cud for foil.
Joined: Sep 2005
Posts: 1,001
Likes: 0
From: Baltimore, MD and Montreal, QC
Yeah. Build it. What do you want from us?
My commuter is an old Specialized that I rattle-canned, mustache-barred, and turned fixed. I actually ride it SS most of the time now. If you use the right size chainring (get a crankset that accepts 110mm or smaller BCD,) you won't have trouble using that cog proper. You'll probably need a new wheelset, though. So build that, too.
My commuter is an old Specialized that I rattle-canned, mustache-barred, and turned fixed. I actually ride it SS most of the time now. If you use the right size chainring (get a crankset that accepts 110mm or smaller BCD,) you won't have trouble using that cog proper. You'll probably need a new wheelset, though. So build that, too.
09-20-07 | 03:00 AM
#3
Senior Member
Joined: Jun 2003
Posts: 1,155
Likes: 0
From: Atlanta
Bikes: Zeus (Razesa) tarck, Giant TCR road, Eddy Merckx road, Fuji Touring Series IV for everything else
I ran my fixed mtb at 34x15 or 16. It was a good bit higher han my SS friends were running. OK for short offroad hills, too high for long ones. and I spun my ass off going down.
If you want to use the 13, don't get a ring any bigger than 32, unless you'll be primarily on the road. Ideally, get a fixed/fixed wheel and as big a difference in teeth as the frame can handle with one chain. Also, though it requires an expensive cog, check out surly's dingle cog matched with a double crank. It will give you everything you need for on road and off.
If you want to use the 13, don't get a ring any bigger than 32, unless you'll be primarily on the road. Ideally, get a fixed/fixed wheel and as big a difference in teeth as the frame can handle with one chain. Also, though it requires an expensive cog, check out surly's dingle cog matched with a double crank. It will give you everything you need for on road and off.
09-20-07 | 05:21 AM
#4
Should be out Riding
Joined: Dec 2006
Posts: 1,902
Likes: 2
From: Blacksburg, VA
Bikes: Bob Jackson Vigorelli
I ran my fixed mtb at 34x15 or 16. It was a good bit higher han my SS friends were running. OK for short offroad hills, too high for long ones. and I spun my ass off going down.
If you want to use the 13, don't get a ring any bigger than 32, unless you'll be primarily on the road. Ideally, get a fixed/fixed wheel and as big a difference in teeth as the frame can handle with one chain. Also, though it requires an expensive cog, check out surly's dingle cog matched with a double crank. It will give you everything you need for on road and off.
If you want to use the 13, don't get a ring any bigger than 32, unless you'll be primarily on the road. Ideally, get a fixed/fixed wheel and as big a difference in teeth as the frame can handle with one chain. Also, though it requires an expensive cog, check out surly's dingle cog matched with a double crank. It will give you everything you need for on road and off.
09-20-07 | 07:01 AM
#5
Senior Member
Joined: Nov 2006
Posts: 520
Likes: 2
From: Methuen, Massachusetts
I'm running 32/18 on my dedicated off road single track fixed machine. Its geared to low for street use..
As others wrote, I'd get a fixed/fixed hub so you can flip, er? flop?
My Machine:
https://i21.photobucket.com/albums/b2...cture010-1.jpg
As others wrote, I'd get a fixed/fixed hub so you can flip, er? flop?
My Machine:
https://i21.photobucket.com/albums/b2...cture010-1.jpg
09-20-07 | 07:11 AM
#6
surly old man
Joined: Sep 2006
Posts: 3,393
Likes: 44
From: Carlisle, PA
Bikes: IRO Mark V, Karate Monkey half fat, Trek 620 IGH, Cannondale 26/24 MTB, Amp Research B3, and more.
I have fixed several mountain bikes.
The only real issue is finding a frame with horizontal drops, there seems to have only been a few years when decent MTB's had them. But not so hard to find really.
My favorite set-up for knocking around town is 46x16 with 1.25 slicks.
jim
The only real issue is finding a frame with horizontal drops, there seems to have only been a few years when decent MTB's had them. But not so hard to find really.
My favorite set-up for knocking around town is 46x16 with 1.25 slicks.
jim
09-20-07 | 07:18 AM
#7
Senior Member
Joined: Nov 2006
Posts: 520
Likes: 2
From: Methuen, Massachusetts
I have fixed several mountain bikes.
The only real issue is finding a frame with horizontal drops, there seems to have only been a few years when decent MTB's had them. But not so hard to find really.
My favorite set-up for knocking around town is 46x16 with 1.25 slicks.
jim
The only real issue is finding a frame with horizontal drops, there seems to have only been a few years when decent MTB's had them. But not so hard to find really.
My favorite set-up for knocking around town is 46x16 with 1.25 slicks.
jim
09-20-07 | 10:30 AM
#8
ʇɥǝqıƃpǝɐpʍɐlʇz
Joined: Apr 2006
Posts: 77
Likes: 0
From: Worcester, MA
I just built up an older Bianchi Nyala with a Nashbar Fixed/Fixed hub. It's geared 36/15 fixed which is okay on the street but a bit to big on the trails. 36/18 for the freewheel side, which is perfect for what I ride.
09-20-07 | 10:44 AM
#10
Too Much Crazy
Joined: Feb 2005
Posts: 3,660
Likes: 3
From: NY
Bikes: Eriksen 29er, Gunnar Roadie, Niner RLT, Niner RIP 9
I used to run 34x16 on my fixed MTB for the trails. It was a bit tall but you have to make some sacrifices running fixed offroad.
You'd have to run a 28 tooth front ring to get a similiar ratio with yer 13 tooth cog.
I kind of agree with your sentiment, but investing in a eno rear wheel brings alot of options to the table. Its easy to find old MTBs with vertical dropouts and the hub lasts a long time and has great ebay resale value.
While it's not the low cost solution by any means, it has high value/time horizon. Especially if you like tinkering with old bikes.
You'd have to run a 28 tooth front ring to get a similiar ratio with yer 13 tooth cog.
Originally Posted by crushkilldstroy
Let's take a $40 bike and put a $150 rear hub on it!
While it's not the low cost solution by any means, it has high value/time horizon. Especially if you like tinkering with old bikes.
