Results 1 to 9 of 9
  1. #1
    mtbr member
    Reputation: KMan's Avatar
    Join Date
    Dec 2003
    Posts
    1,237

    120 BDC chainring options smaller than a 39t?

    I just recently switched my drive train over to a SRAM XO 2x10. 26-39t setup. I think for most of the trails I'm riding currently I could go 1x10 with a slightly smaller chain ring up front. Anything available 120 BDC in a 36, 37 or 38t? What I've been able to find drops to a 104BDC.

    Or will my only option be to switch to the XX1 crank set which has 34,36 & 388 ring options

    Thanks
    Michael

  2. #2
    mtbr member
    Reputation:
    Join Date
    Jun 2005
    Posts
    54

    warhawk spiderless chainrings

    Hi Michael, I have this exact crankset here at the shop and anything smaller then a 38T interferes with the spider arms. It is possible to space the chainring closer to the BB using 2mm spacers you just have to check and make sure the spacing doesn't throw off the chainline too bad. Problem is for about the same cost you could use one of our spiderless chainrings

    If we can help you in any way let us know, Thanks - Colin
    Warhawk Industries - Specializing in Stainless Steel, Titanium and Aluminum Chainrings

  3. #3
    mtbr member
    Reputation: griffter18's Avatar
    Join Date
    Jul 2009
    Posts
    337
    Renthal do a 37t but I think that the lowest Ive seen

    Link:
    http://www.chainreactioncycles.com/Models.aspx?ModelID=92767&_$ja=tsid:46412%7Ccgn:Chainrings+-+MTB%7Ccn:Chain+Reaction-UK-PLA-PLA-Eng-DT-SE%7Ckw:358815UK_SR4+120+Ultralite+Alloy+Chainring
    MTB:
    09 Stumpy Elite
    10 Enduro Pro Custom
    16" HotRock Custom

    Road:
    08 Jamis Xenith Comp
    13 Pinarello Dogma 65.1

  4. #4
    There's always next year.
    Reputation: padrefan1982's Avatar
    Join Date
    Mar 2005
    Posts
    504
    My new Epic's got a Truvativ 38 x 26 teeth rings--and I love it. I'm assuming Spec got them made them. Watching this thread, as I won't want to go any bigger when I have to replace the ring.

    EDIT-- Did some quick searching, RaceFace does offer a ring at 38 teeth, found at Universal I've loved their rings in the past.

    No experience, but Renthal apparently offers them down to 36teeth, but no ramps... but I've run RaceFace singles on 2x9 before, so should work?
    Last edited by padrefan1982; 04-27-2013 at 05:19 PM. Reason: More detail...

  5. #5
    mtbr member
    Reputation: griffter18's Avatar
    Join Date
    Jul 2009
    Posts
    337
    Spec use custom cranks on a lot of bikes which means you may need to go to them for replacements where they are non-standard.
    MTB:
    09 Stumpy Elite
    10 Enduro Pro Custom
    16" HotRock Custom

    Road:
    08 Jamis Xenith Comp
    13 Pinarello Dogma 65.1

  6. #6
    mtbr member
    Reputation: KMan's Avatar
    Join Date
    Dec 2003
    Posts
    1,237
    Colin,
    Thanks - what is the difference between the Cyclone and Hurricane spiderless chainrings? I think this looks like my best option.

    Michael

    Quote Originally Posted by Warhawk View Post
    Hi Michael, I have this exact crankset here at the shop and anything smaller then a 38T interferes with the spider arms. It is possible to space the chainring closer to the BB using 2mm spacers you just have to check and make sure the spacing doesn't throw off the chainline too bad. Problem is for about the same cost you could use one of our spiderless chainrings

    If we can help you in any way let us know, Thanks - Colin

  7. #7
    mtbr member
    Reputation:
    Join Date
    Jun 2005
    Posts
    54
    Quote Originally Posted by KMan View Post
    Colin,
    Thanks - what is the difference between the Cyclone and Hurricane spiderless chainrings? I think this looks like my best option.
    Hi Michael, just the designs are different. The cyclone grooves are machined with a flat bottom endmill in reverse to the hurricane grooves which are machined using a ball endmill, the cutouts are also different. Functionality wise they are the same were just trying to offer different design options. I do have a few other designs coming I just don't know exactly when I'll have them finished and up on the site yet. Let us know if you have any other questions, Thanks - Colin
    Warhawk Industries - Specializing in Stainless Steel, Titanium and Aluminum Chainrings

  8. #8
    Formerly of Kent
    Reputation: Le Duke's Avatar
    Join Date
    Mar 2009
    Posts
    2,222
    Wolftooth Components will be making a 1x10/11 120mm chainring very soon.

    From 32-38t, I think they said in another thread.

  9. #9
    Nouveau Retrogrouch SuperModerator
    Reputation: shiggy's Avatar
    Join Date
    Dec 1998
    Posts
    47,276

    120 BDC chainring options smaller than a 39t?

    Quote Originally Posted by Le Duke View Post
    Wolftooth Components will be making a 1x10/11 120mm chainring very soon.

    From 32-38t, I think they said in another thread.
    It is impossible to mount a 32T ring on a 120BCD spider (in the stock position). Can not use a 32T on a 110BCD.
    mtbtires.com
    The trouble with common sense is it is no longer common

Similar Threads

  1. What do I need for a smaller chainring?
    By Ryan The VW Tech in forum Drivetrain - shifters, derailleurs, cranks
    Replies: 9
    Last Post: 12-01-2012, 11:27 AM
  2. Single chainring options?
    By Nockpoint 01 in forum Fat Bikes
    Replies: 2
    Last Post: 09-26-2012, 08:25 PM
  3. Chain jumping gears..caused by smaller chainring?
    By Crash Dummy in forum Drivetrain - shifters, derailleurs, cranks
    Replies: 4
    Last Post: 04-19-2012, 11:32 AM
  4. Will changing to smaller chainring cause bashguard rub?
    By gddyap in forum Drivetrain - shifters, derailleurs, cranks
    Replies: 1
    Last Post: 02-15-2012, 07:12 PM
  5. Chainring Options?
    By Ace5high in forum Drivetrain - shifters, derailleurs, cranks
    Replies: 4
    Last Post: 08-28-2011, 09:57 PM

Posting Permissions

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