Notices
Cyclocross and Gravelbiking (Recreational) This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like : "Unbound Gravel". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

Long Spindle SPD

Old 03-31-24, 07:11 PM
  #1  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Long Spindle SPD

All, I need some longer spindle SPD pedals. My XTR pedals donít have enough heel clearance. Is anyone aware of a high quality aftermarket brand either making spindles or entire SPD pedals?

Iím aware of SQLabs, but the quality doesnít look so great. Pedal extenders are an option, but they generally add too much length. 16 mm minimum.

Last edited by justonwo; 04-03-24 at 08:50 PM.
justonwo is offline  
Old 04-01-24, 04:38 PM
  #2  
Senior Member
 
biker128pedal's Avatar
 
Join Date: Jan 2007
Location: Eastern VA
Posts: 1,724

Bikes: 2022 Fuel EX 8, 2021 Domane SL6, Black Beta (Nashbar frame), 2004 Trek 1000C for the trainer

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 270 Post(s)
Liked 447 Times in 266 Posts
If you don't need much you could use pedal washers. It may be limited to 2mm each pedals.
biker128pedal is offline  
Old 04-02-24, 02:52 PM
  #3  
Senior Member
 
Join Date: Feb 2007
Posts: 1,434
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 623 Post(s)
Likes: 0
Liked 395 Times in 274 Posts
I pronate and am bow legged. I have been using a product called Bicycle kneesavers since 1980. They screw into the crank ahead of the pedals. I believe they come in 20mm 25mm and 30mm.
Rick is offline  
Old 04-02-24, 09:16 PM
  #4  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Originally Posted by Rick
I pronate and am bow legged. I have been using a product called Bicycle kneesavers since 1980. They screw into the crank ahead of the pedals. I believe they come in 20mm 25mm and 30mm.
Yep, that is a last resort option. Iíd like something a little more elegant. Those wonít work with SPD pedals, by the way. They would need to have a bore through the middle to allow access to the hex head on the pedal. There are other makers that have such a design.
justonwo is offline  
Old 04-03-24, 02:02 AM
  #5  
Senior Member
 
Join Date: Aug 2014
Location: UK
Posts: 737

Bikes: Dahon Jetstream p8 (sold), customized Dahon Helios x10, customzed Dahon Smooth Hound x11,customized Dahon Hammerhead 8.0 d7, Planet X Free Ranger (mullet setup 1x11), Planet X Giovanissimi 20 (1x9), Frog 52 (1x9) and Frog 48 1s

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 264 Post(s)
Liked 238 Times in 174 Posts
The SQ lab come with a 15mm "XL" offset so if you add a 2mm washer, you will get mors than your desired 16mm

https://www.sq-lab.com/en/area-of-us...edals-511.html
Fentuz is offline  
Old 04-03-24, 08:48 PM
  #6  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Originally Posted by Fentuz
The SQ lab come with a 15mm "XL" offset so if you add a 2mm washer, you will get mors than your desired 16mm

https://www.sq-lab.com/en/area-of-us...edals-511.html
Right, Iím not looking for 16 mm minimum. My probably message meant to say that pedal extenders basically force you into 16 mm minimum (usually more) and that is liable to be too much. Not to mention that they are known to break.

I know the SQ Labs are out there but not big on the quality. So really looking for an aftermarket spindle. Probably doesnít exist.

Last edited by justonwo; 04-03-24 at 08:51 PM.
justonwo is offline  
Old 04-04-24, 12:29 AM
  #7  
Senior Member
 
Join Date: Aug 2014
Location: UK
Posts: 737

Bikes: Dahon Jetstream p8 (sold), customized Dahon Helios x10, customzed Dahon Smooth Hound x11,customized Dahon Hammerhead 8.0 d7, Planet X Free Ranger (mullet setup 1x11), Planet X Giovanissimi 20 (1x9), Frog 52 (1x9) and Frog 48 1s

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 264 Post(s)
Liked 238 Times in 174 Posts
Originally Posted by justonwo
Right, I’m not looking for 16 mm minimum. My probably message meant to say that pedal extenders basically force you into 16 mm minimum (usually more) and that is liable to be too much. Not to mention that they are known to break.

I know the SQ Labs are out there but not big on the quality. So really looking for an aftermarket spindle. Probably doesn’t exist.

looking at xtr pedal, their q factor is 52 or 55mm
classic m520 are 51mm
garmin rally xc200 is 53mm (i have 2 mm washers so 55)
hope pedals are 55mm
crankset brother eggbeaters (not spd) are 52 for the model 1 to the 3 BUT, they do a refurb kit in either 52 or 57 mm.



interesting link :

https://bikefit.com/blogs/bikefit-bl...-and-solutions

Last edited by Fentuz; 04-04-24 at 01:33 AM. Reason: Added link
Fentuz is offline  
Old 04-05-24, 08:58 AM
  #8  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Originally Posted by Fentuz
looking at xtr pedal, their q factor is 52 or 55mm
classic m520 are 51mm
garmin rally xc200 is 53mm (i have 2 mm washers so 55)
hope pedals are 55mm
crankset brother eggbeaters (not spd) are 52 for the model 1 to the 3 BUT, they do a refurb kit in either 52 or 57 mm.



interesting link :

https://bikefit.com/blogs/bikefit-bl...-and-solutions
Whoa! Very cool link! Sadly, many of those guys don't exist anymore. The best I've been able to find is Xpedo, which does 59 mm (add 2 washers for an extra 2 mm). Not sure if that'll be enough for me.
justonwo is offline  
Old 04-18-24, 10:13 PM
  #9  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Update: I tried the SQLabs 16 mm. They solved the heel strike problem, but their release is inconsistent and almost caused two crashes. So they were pulled.

I bought the Xpedo M Force 8 with 59 mm Q factor and added two washers. That got me pretty close to the point with no heel strike. I moved the cleat another 2 mm and I was good to go. Still doesnít have the release quality of XTR but better than SQLabs.

So a friend of mine and I are going to do a run of +8 mm XTR spindles. Iíll have to do quantity to get the price reasonable. Iíll sell on eBay most likely to recoup the cost.
justonwo is offline  
Old 04-18-24, 10:31 PM
  #10  
ignominious poltroon
 
Polaris OBark's Avatar
 
Join Date: Jan 2022
Posts: 4,015
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 2232 Post(s)
Liked 3,416 Times in 1,787 Posts
Originally Posted by justonwo
So a friend of mine and I are going to do a run of +8 mm XTR spindles. Iíll have to do quantity to get the price reasonable. Iíll sell on eBay most likely to recoup the cost.
What does this mean?

I am (potentially) interested.

Sorry to hear the SQLabs pedals suck. Most of their stuff is high quality (with a price tag that matches). I don't think I have ever found a pedal that is as good as XTR.
Polaris OBark is offline  
Old 04-18-24, 10:52 PM
  #11  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Originally Posted by Polaris OBark
What does this mean?

I am (potentially) interested.

Sorry to hear the SQLabs pedals suck. Most of their stuff is high quality (with a price tag that matches). I don't think I have ever found a pedal that is as good as XTR.
Hey there. It means the spindles will be 8 mm longer than the stock XTR spindles (which have a Q factor of 55 mm). So youíll be able to remove your stock spindles (the solid metal shaft around which the pedal rotates) from your XTR pedals and replace them with identical spindles 8 mm longer. Much more elegant than a pedal extender and much safer.
justonwo is offline  
Old 04-18-24, 11:58 PM
  #12  
Senior Member
 
Join Date: Apr 2017
Posts: 1,607
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 720 Post(s)
Liked 402 Times in 321 Posts
Making new pedal spindles... those need to be very high quality in terms of steel and heat treat, surface finish on shaft (and does the spindle consitute the loose-ball inner bearing races, or are they cartridge bearings?) as this is a high-fatigue application.

Longer spindles or spacers increases bending stress of spindle and crank, and increases torsional stress of the crank arms. And, things may feel more flexy when hammering the pedals.

Umm... for myself, when I upgraded my crank and wanted a smaller chainring BCD than 130mm, I really had to look to find a "road" crank with low Q-factor, the vast majority were mountain cranks with the arms going further outboard at the pedals; You can't find a high Q-factor crank? Because going further out with the arms is better structurally, the arms are designed to take the load.

A longer bottom bracket spindle would also be sound, that spindle is way larger and stronger than the pedal spindle.
Duragrouch is offline  
Old 04-19-24, 07:56 AM
  #13  
ignominious poltroon
 
Polaris OBark's Avatar
 
Join Date: Jan 2022
Posts: 4,015
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 2232 Post(s)
Liked 3,416 Times in 1,787 Posts
Originally Posted by justonwo
Hey there. It means the spindles will be 8 mm longer than the stock XTR spindles (which have a Q factor of 55 mm). So youíll be able to remove your stock spindles (the solid metal shaft around which the pedal rotates) from your XTR pedals and replace them with identical spindles 8 mm longer. Much more elegant than a pedal extender and much safer.
Where are they coming from? Shimano only makes two sizes, from my knowledge.
Polaris OBark is offline  
Old 04-19-24, 10:59 AM
  #14  
Full Member
Thread Starter
 
Join Date: Jul 2007
Location: SF Bay Area
Posts: 242

Bikes: 2020 Pinarello Dogma F12 Disc (Enve SES 3.4), 2021 S-Works Aethos (Roval Alpinist CLX II), 2024 Topstone Lab71 (Terra CLX II), 2006 Cervelo Soloist (10 speed Ultegra), 2021 S-Works Epic

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 74 Post(s)
Liked 74 Times in 34 Posts
Originally Posted by Polaris OBark
Where are they coming from? Shimano only makes two sizes, from my knowledge.
I am making them, along with a friend who is an MS mechanical engineer that has spent his career designing and building high speed turbines. I have no concerns about the strength or material properties. People make long spindle versions of pedals all the time. Itís just that Shimano doesnít. Speedplay, for example.

A longer spindle on the BB introduces chain line issues.
justonwo is offline  
Old 04-19-24, 10:06 PM
  #15  
Senior Member
 
Join Date: Apr 2017
Posts: 1,607
Mentioned: 7 Post(s)
Tagged: 0 Thread(s)
Quoted: 720 Post(s)
Liked 402 Times in 321 Posts
Originally Posted by justonwo
I am making them, along with a friend who is an MS mechanical engineer that has spent his career designing and building high speed turbines. I have no concerns about the strength or material properties. People make long spindle versions of pedals all the time. Itís just that Shimano doesnít. Speedplay, for example.

A longer spindle on the BB introduces chain line issues.
BB: Oh, yes, you're right of course.

High speed turbines! Well, yes, it sounds like he would have the expertise to engineer something for reversing loads in fatigue. Watch him score some small pieces of inconel or maraging steel from the scrap bin and make the spindles out of it.
Duragrouch is offline  
Likes For Duragrouch:

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 -

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