Advertise on Bikeforums.net



User Tag List

Results 1 to 4 of 4
  1. #1
    clydesdale Paul bigpaul652002's Avatar
    Join Date
    Nov 2009
    Posts
    5
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    rotor size for clydesdale

    I am putting together a surly km rigid and trying to decide on rotor size. Me 6'5" 300lb so i was thinking a little bigger 185mm . My mtb know is a 96 trek 930 that i changed into a 69er.

    I ordered some 185mm avid bb7
    Last edited by bigpaul652002; 11-27-09 at 12:21 PM.

  2. #2
    Senior Member
    Join Date
    Nov 2009
    Posts
    104
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I think a bigger rotor would be good as it would heat up less on the steep descents.

  3. #3
    Mad bike riding scientist cyccommute's Avatar
    Join Date
    Nov 2004
    Location
    Denver, CO
    My Bikes
    Some silver ones, a black one, a red one, an orange one and a couple of titanium ones
    Posts
    15,409
    Mentioned
    9 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by bigpaul652002 View Post
    I am putting together a surly km rigid and trying to decide on rotor size. Me 6'5" 300lb so i was thinking a little bigger 185mm . My mtb know is a 96 trek 930 that i changed into a 69er.
    I'd say one around 600mm but that's just me (For the measurement challenged that's a rim).

    For the front, go with a 203mm. You can probably get away with a 160mm in the rear.
    Stuart Black
    Solo Without Pie. The search for pie in the Midwest.
    Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!
    Days of Wineless Roads. Bed and Breakfasting along the KATY
    Twisting Down the Alley. Misadventures in tornado alley.
    An Good Ol' Fashion Appalachian Butt Whoopin'.

  4. #4
    Senior Member
    Join Date
    Apr 2008
    My Bikes
    Cervelo RS, Specialized Stumpjumper FSR Pro, Schwinn Typhoon, Nashbar touring, custom steel MTB
    Posts
    5,024
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by bigpaul652002 View Post
    I am putting together a surly km rigid and trying to decide on rotor size. Me 6'5" 300lb so i was thinking a little bigger 185mm . My mtb know is a 96 trek 930 that i changed into a 69er.
    If it were me, I'd probably go with a 185mm rotor. I've ridden both 203mm and 185mm rotors on the front and couldn't tell much of a difference. Then again, I'm relatively new to MTB riding so I'm not doing anything too crazy. If you decide to go with 203mm, be sure to check the specs on your fork and make sure it can handle the stress created by a large rotor; if you believe the manufacturers, not all of them can. Like cyccommute, I'd stick with a 160mm for the rear. For me, larger rear rotors just make it easier to accidentally lock the rear wheel ...

Posting Permissions

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