Boone disc-fixie cog content- Mtbr.com
Results 1 to 15 of 15
  1. #1
    mtbr member
    Reputation: itsdoable's Avatar
    Join Date
    Jan 2004
    Posts
    1,902

    Boone disc-fixie cog content

    Boone's fixie cog that bolts to an ISO disc mount is now available with thicker symmetric teeth. Infact, the teeth were so thick that my 3/32" chain would slightly bind on few links, but one spin around the block and everything is smooth. Unfortunately I didn't take a picture of it before I mounted it (so no Ti jewery shot!), but here it is on my converted front hub:
    <img src="https://gallery.consumerreview.com/webcrossing/images/Axiom_boone1.jpg">

    Back a while ago I described how I made a Fixie wheel using a front disc hub & rear solid axle (https://forums.mtbr.com/singlespeed/front-disc-fixie-only-hub-12414.html). The chainline with the Boone cog is ~48mm, which lines up well with the middle chainring.
    <img src="https://gallery.consumerreview.com/webcrossing/images/Axiom_boone2.jpg">
    Cheers,

    Tom

  2. #2
    Witty McWitterson
    Reputation: ~martini~'s Avatar
    Join Date
    Dec 2003
    Posts
    5,024
    Here's a question:

    Why not use a standard rear disc hub that free on the other side ala Surly/Paul/Novatech/White Ind.? Is it a chainline issue? I imagine that it would be come to think of it...But using a front hub, you flange spacing is waaay narrow, and the bearing support is waay to the inside of a potentialy bendable axle. I've bent the 135 spaced axle on my 120mm fixy hub, so I don't think the 100mm of yours will be able to support the abuse. I'll be curious to see how long the bearings last as well.

    Still, thats a cool freakin' idea. I can see it now...20mm rear hub clamp on rear hub, with the rear spaced to 120 or 110. Coool!
    Just a regular guy.

  3. #3
    drev-il, not Dr. Evil!
    Reputation: Drevil's Avatar
    Join Date
    Dec 2003
    Posts
    3,906
    Nice job Tom. I got my revamped ones* in a couple of weeks ago, but I didn't have my bike to try it out. Now that I have the bike, I haven't the time.

    What size cog did you get? Boone sure did some nice work, eh?



    *The original ones were too narrow, and the tooth profile didn't work well with fixie. Boone fixed all that.

  4. #4
    mtbr member
    Reputation: itsdoable's Avatar
    Join Date
    Jan 2004
    Posts
    1,902
    Quote Originally Posted by ~martini~
    Why not use a standard rear disc hub that free on the other side...
    A rear disc SS hub works just fine (chain line = big ring), but I was going for a clean no-free side look, it's fixie all the way with this baby, no rear brakes...

    Quote Originally Posted by ~martini~
    ...But using a front hub, you flange spacing is waaay narrow, and the bearing support is waay to the inside of a potentialy bendable axle.
    The flange spacing on a front disc hub is the same as a rear grearie hub, except I've made this wheel symmetric. The hub was $7 from a used junk bin in an LBS. The bearings are the same size as a rear hub. Besides, the bearings probably see more force from the front disc brake than a rear drive cog. Bending the axle, that is a concern, but so far so good, even on ~1ft drops (I'm just not very good at anything bigger with a fixie, I'd probably pee myself if I tried it!). Keep in mind that old freewheel hubs had the same inboard bearing spacing on the freewheel side (to allow enough space for the 6 cogs) and it took alot to bend those, plus I've put a solid rear axle in there, so we'll see.

    The cool part are my ride buddies laughing when I try to control the fixie down a steep techinical section, standing and pedalling (or trying to stop pedalling) all the way.

    Cheers,

    Tom
    Last edited by itsdoable; 04-05-2004 at 03:39 PM.

  5. #5
    mtbr member
    Reputation: itsdoable's Avatar
    Join Date
    Jan 2004
    Posts
    1,902
    Quote Originally Posted by Drevil
    What size cog did you get? Boone sure did some nice work, eh?
    *The original ones were too narrow, and the tooth profile didn't work well with fixie. Boone fixed all that.
    Got a 17t, running 36:17. Previously had 40:18 (Spicer cog) but I found that ratio a bit too big for the climbs. I saw the post on the original version with the shaped teeth. I emailed Brett & I asked for symmetrical teeth, and he said he was going to make all the Fixie cogs symmetrical with wider teeth, and I'm glad as they work great. His teeth are still shallower than the standard fixie cogs (which have very tall teeth to prevent derailling), but they work fine.

    They are very nice looking cogs, too bad they get so dirty on my bike...

    Cheers,

    Tom

  6. #6
    mtbr member
    Reputation:
    Join Date
    Jan 2004
    Posts
    496

    17 toothers, about $4.00 a tooth?

    Did you get the Ti cogs direct from boone? I was going to drill up a 17 tooth cog to fit on my disc hub, but these are a rarity, (hard to find) as I have a 17 tooth cog (king kog) and wanted to have a fixie on the same hub, for road cruising and if the freehub body ever crapped out (happened twice in 2 xc races)...

    Aka brad, can you still get me the 17 tooth cogs in a 3/32 thickness? need 2 if possible..

    But the Ti boone cog, gotta hmm

  7. #7
    mtbr member
    Reputation:
    Join Date
    Jan 2004
    Posts
    496

    17 toothers, about $4.00 a tooth?

    Did you get the Ti cogs direct from boone? I was going to drill up a 17 tooth cog to fit on my disc hub, but these are a rarity, (hard to find) as I have a 17 tooth cog (king kog) and wanted to have a fixie on the same hub, for road cruising and if the freehub body ever crapped out (happened twice in 2 xc races)...

    Aka brad, can you still get me the 17 tooth cogs in a 3/32 thickness? need 2 if possible..

    But the Ti boone cog, gotta hmm

  8. #8
    mtbr member
    Reputation:
    Join Date
    Jan 2004
    Posts
    496

    17 toothers, about $4.00 a tooth?

    Did you get the Ti cogs direct from boone? I was going to drill up a 17 tooth cog to fit on my disc hub, but these are a rarity, (hard to find) as I have a 17 tooth cog (king kog) and wanted to have a fixie on the same hub, for road cruising and if the freehub body ever crapped out (happened twice in 2 xc races)...

    Aka brad, can you still get me the 17 tooth cogs in a 3/32 thickness? need 2 if possible..

    But the Ti boone cog, gotta hmm

  9. #9
    mtbr member
    Reputation:
    Join Date
    Jan 2004
    Posts
    496

    17 toothers, just what I'm after..

    Gotta have, well, did you get from boone direct and what is one of the Ti cogs worth?

    Aka Brad. can you still get 17 tooth cogs from the trip? I would like to get 2 17 toothers in a 3/32 thickness if possible, Thanx

  10. #10
    drev-il, not Dr. Evil!
    Reputation: Drevil's Avatar
    Join Date
    Dec 2003
    Posts
    3,906
    Quote Originally Posted by Vernon VernDog
    Did you get the Ti cogs direct from boone? I was going to drill up a 17 tooth cog to fit on my disc hub, but these are a rarity, (hard to find) as I have a 17 tooth cog (king kog) and wanted to have a fixie on the same hub, for road cruising and if the freehub body ever crapped out (happened twice in 2 xc races)...

    Aka brad, can you still get me the 17 tooth cogs in a 3/32 thickness? need 2 if possible..

    But the Ti boone cog, gotta hmm
    Yup. I was having the same problems so I worked with Boone on them. I had problems with the first batch, but Boone redid them properly.

  11. #11
    mtbr member
    Reputation:
    Join Date
    Jan 2004
    Posts
    496

    This AOL program #$%&!

    Thirty posts later on the same subject, for #@$%^ sake! I'm going for a bike ride!!

  12. #12
    mtbr member
    Reputation: itsdoable's Avatar
    Join Date
    Jan 2004
    Posts
    1,902

    17t @ ~$2.50/teeth direct from Boone

    Quote Originally Posted by Vernon VernDog
    Did you get the Ti cogs direct from boone?
    17t @ ~$2.50/teeth direct from Boone (or anythign from 15t and up I think). Current symmetric thick teeth version works great with a 3/32" (narrow) chain.

    It's alot more $ than drilling out a steel BMX cog, which was what I was going to do, but the Boone cog looked so nice...

    Cheers,

    Tom

  13. #13
    mtbr member
    Reputation: meat tooth paste's Avatar
    Join Date
    Sep 2004
    Posts
    682
    Can someone post the contact info for Boone?

    I tried a Google search and only came up with a bike shop of the same name.

    Thanks!

  14. #14
    drev-il, not Dr. Evil!
    Reputation: Drevil's Avatar
    Join Date
    Dec 2003
    Posts
    3,906
    Quote Originally Posted by meat tooth paste
    Can someone post the contact info for Boone?

    I tried a Google search and only came up with a bike shop of the same name.

    Thanks!
    http://www.booneti.com/cr/cr.html
    "Keep your burgers lean and your tires fat." -h.d. | ssoft | flickr

  15. #15
    mtbr member
    Reputation: meat tooth paste's Avatar
    Join Date
    Sep 2004
    Posts
    682
    Thx!

    I am going to have a fixie cog made for my rear 6 bolt disc mount.

Similar Threads

  1. Front disc -to- Fixie only hub
    By itsdoable in forum Singlespeed
    Replies: 11
    Last Post: 03-23-2004, 09:41 PM
  2. Ahoy! V-brake holdouts!
    By Padre in forum Singlespeed
    Replies: 29
    Last Post: 03-23-2004, 10:06 AM
  3. Thoughts on Boone Ti cog
    By smudge in forum Singlespeed
    Replies: 15
    Last Post: 03-07-2004, 10:41 PM
  4. Tune Disc Hubs & Formula Disc Brakes??
    By Wirth in forum Weight Weenies
    Replies: 3
    Last Post: 03-05-2004, 05:20 PM
  5. fixie content: head badge suggestions
    By TrevorInSoCal in forum Singlespeed
    Replies: 6
    Last Post: 03-03-2004, 12:00 AM

Members who have read this thread: 0

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

THE SITE

ABOUT MTBR

VISIT US AT

© Copyright 2019 VerticalScope Inc. All rights reserved.