Go Back  Bike Forums > Bike Forums > Bicycle Mechanics
Reload this Page >

Shimano HB-756 Front Hub Cone Wrench Size

Notices
Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

Shimano HB-756 Front Hub Cone Wrench Size

Old 12-31-12, 12:30 PM
  #1  
Junior Member
Thread Starter
 
Join Date: Dec 2012
Posts: 7
Likes: 0
Liked 0 Times in 0 Posts
Shimano HB-756 Front Hub Cone Wrench Size

Servicing a Shimano HB-M756 front hub. I have a set of 13/15/17mm Park Tools SCW cone wrenchs. Two out of the three fit the cone and jam nut (don't remember which.) However, the wrench is too thick to fit the cone nut when reassembling the hub. That makes no sense to me. Any suggestions on a cone wrench that will fit? (I have googled and read every possible post...)
tdurack is offline  
Old 12-31-12, 12:35 PM
  #2  
Senior Member
 
Join Date: Aug 2005
Location: Pittsburgh, PA
Posts: 33,656

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Likes: 0
Liked 1,099 Times in 745 Posts
Some Shimano hubs have the cone and it's wrench flats below flush with the dust seals on one side. So, if you remove that locknut, the flats stick up enough to unthread the cone but not far enough to take the cone wrench when the locknut is tightened down. You may have to disassemble the other end of the axle, replace and tighten the cone and locknut on the first side and then readjust and tighten from the other end.
HillRider is offline  
Old 12-31-12, 12:39 PM
  #3  
Banned
 
Join Date: Jun 2010
Location: NW,Oregon Coast
Posts: 43,595

Bikes: 8

Liked 1,361 Times in 867 Posts
This the same situations on Both Sides? I find disc hubs require adjusting from the non brake side..
fietsbob is offline  
Old 12-31-12, 12:46 PM
  #4  
Senior Member
 
Join Date: Sep 2004
Location: boston, ma
Posts: 2,897
Likes: 0
Liked 1 Time in 1 Post
should be a 13mm sometimes the dust cover(not the rubber seal) slides back on the cone and needs to get pushed out of the way. cheater cone wrench for disc hubs https://bostonbicyclemechanic.blogspo...disc-hubs.html
reptilezs is offline  
Old 12-31-12, 12:49 PM
  #5  
Junior Member
Thread Starter
 
Join Date: Dec 2012
Posts: 7
Likes: 0
Liked 0 Times in 0 Posts
That might be it. Unfortunately I disassembled both sides before realizing I really only needed to do one side. Will investigate again this weekend. Thanks for the comments.
tdurack is offline  
Old 12-31-12, 12:56 PM
  #6  
Banned
 
Join Date: Jun 2010
Location: NW,Oregon Coast
Posts: 43,595

Bikes: 8

Liked 1,361 Times in 867 Posts
tighten one side , then put the axle in..
fietsbob is offline  
Old 12-31-12, 01:33 PM
  #7  
Junior Member
Thread Starter
 
Join Date: Dec 2012
Posts: 7
Likes: 0
Liked 0 Times in 0 Posts
Yup, will do, thanks!(I think I got tunnel vision 'cos I didn't have this problem on the rear hub.)
tdurack is offline  
Old 01-07-13, 07:15 AM
  #8  
Junior Member
Thread Starter
 
Join Date: Dec 2012
Posts: 7
Likes: 0
Liked 0 Times in 0 Posts
This resolved the problem. The dust seals were interfering with the cone nut. Just had to force the dust seals to seat further down.
tdurack is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
dchsueh
Bicycle Mechanics
16
07-21-12 11:21 PM
dinkjs
Bicycle Mechanics
9
07-04-12 08:42 PM
OutgunRacing
Bicycle Mechanics
5
07-08-11 01:11 PM
stbtra
Bicycle Mechanics
14
09-05-10 06:55 PM
ClarkinHawaii
Bicycle Mechanics
4
03-28-10 12:17 AM

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Your Privacy Choices -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.