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  1. #176
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    If a Fox fork folds in half causing in injuries that result in a lawsuit, Fox would state that the fork is not tandem rated and that they are not liable in any way. I can live with that knowledge and still use their forks. I wouldn't use their 32mm fork on a mtb tandem.
    2 wheels == True

  2. #177
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    Ebnelson, I'm not familiar with a 34mm Fox Float for a 29'r that is 120mm travel. Or, is your ECDM a 26"?

  3. #178
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    Sorry, 140mm travel reduced. The ECDM 29er handles poorly with the 140mm length from my experience.
    2 wheels == True

  4. #179
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    Correction again. My fork measures 135mm travel. My bad. We originally had the Talas 140 and hated the 140mm setting, preferring to leave it at 110mm. I just ride what my brother sends (works at Fox). No wonder our bike feels tall! It rides well enough now, but I may try to reduce it down to 120mm.
    2 wheels == True

  5. #180
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    Ah, that makes more sense...the new 34mm stanchion options are appealing. I've spent some time researching the X-Fusion Trace RL2. It seems to have all of the desired characteristics to make it tandem friendly; 34mm stanchions, internally adjustable travel from 140mm down to 80mm (you have to open up the fork to make the adjustment - it's not on the fly), all aluminum machined parts inside, an actual damper with an adjustable shim stack and, what I think to be cool, a one-piece tapered crown. Supposed to be a lot stiffer than a two-piece. Anyway, always fun to read about new stuff!

  6. #181
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    FOX 40 Kashima is the fork if you ride a 26. Shortened to a workable length for xc, it is the best MTB fork I have ever ridden. Not perfect but very close.

    Perfect would be adding 3mm more offset to the triple clamps, and reducing the forks lower leg offset by 3mm. Same amount of trail, just more steering lock angle.

    For us, the modified ATC was the way to go on our Fandango. These forks get a bad rep, but once easily sorted out are as reliable, f not more reliable than any fork out there. Hardtail wise they are capable of the speeds, and steering precision is justified in the double crown and fork tube diameters.

    PK
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  7. #182
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    Quote Originally Posted by Keepiru View Post
    We have a SR Suntour DURO SF9 on our Tandem. Even with the hard spring it was to soft at the beginning, but changing the elastomers to the hard (green) ones did the trick. The fork keeps up hard rides, has low flex and works like a charm.
    We also have a Suntour fork on our Lapierre tandem here in the UK, ours being the Duro FR20, 160mm of travel(coil sprung), 35mm stanchions and 20mm bolt through axle, 1.5" steerer. I've always used Fox forks with air springs on my single bikes but have been very pleased with the performance and plushness of the budget Suntour product. They also produce the Durolux, with air springs and travel adjust if you want to run it lower.

    Suspension Fork Experience - What's Working? What's Not?-lapierre-001.jpg

  8. #183
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    During conversation that didn't take place with a person who doesn't exist a couple of days ago, some information came my way that indicates White Bros may have a 34mm stanchion platform single crown 29'er fork available in the future. If so, I believe a tandem-rated version of that will also be offered. Nothing concrete yet, but I believe it's being looked at. We've expressed our interest in the 29'er version if it becomes available.
    SR/Suntour USA has not been open to the use of their forks on tandems, despite the fact that they're spec'd on euro models. Perhaps it's due to the dedication of US PI attorneys. Either way, as a business, I have to honor the manufacturer's wishes on the use of their products. Believe me, I wish we had more options!
    MTB Tandems Inc.
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  9. #184
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    I've been using a Manitou Nixon Platinum fork (145mm travel, air sprung, 20mm hex thru-axle) an our tandem and its been great. The air spring and infinite travel adjust make it easy to adjust. Separate shimmed comp and rebound pistons make it very easy to revalve and the sealed cartridge damper with sprung IFP keep damping consistent even after a few hours on the trail. No doubt its not tandem "approved" but its been working well for us.


  10. #185
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    Just purchased a Manitou Marvel Pro 100mm for our recently acquired Cannondale M1000 XL/M (2006). We're about 320 combined weight. First ride and I could tell the travel was way too soft so I kept the control close to locked out. Also noticed general turning resistance that I hadn't felt when using the stock fork. Could this be due to shortened stem or just the softness of the fork? Will increase air pressure on our next ride.

    Appreciate any feedback on whether this is a good shock for the bike.

    Doug

  11. #186
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    Quote Originally Posted by dstke View Post
    ...Will increase air pressure on our next ride...
    Set the pressure so you get your desired amount of sag. Start somewhere around 25% sag and then see how much travel you're using. Tweak from there.

  12. #187
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    Thanks TigWorld. Good rule of thumb. I'm on a mountain bike vacation with single bikes but will try it when I get back.

  13. #188
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    I read info on x-fusion website about their 34mm trace 29er fork. They claim their "unicrown" fork crown makes it 50% stronger in that area. Sounds like it should be strong enough for a tandem. Still I bet they won't authorize that use.

  14. #189
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    We're 340#, new team, riding a 29er Fandango, ours came with a White Brothers Loop twin crown fork. It was very easy to set up, we set the air pressure to 25% sag (75psi), set the rebound in the middle setting, then I vary the compression based on the terrain, usually middle for bumpy slow stuff and more lockout for fast riding.

    I can't really complain about the fork, it is plenty stiff, even pushing hard in tight turns it doesn't flex or get floppy, it stays on the ground and holds a steady line. I'm not sure what more we could want from a fork, maybe lighter or cheaper, but it works well so we'll keep it

  15. #190
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    Need a tandem rated fork - triple clamp 100mm? WB loop for sale. I loved it on the trail but wanted a manual lockout instead of the smart shock

    White brothers WB Loop Tandem Fork 29er 100mm like new Magura Louise disc - Buy and Sell and Review Mountain Bikes and Accessories

  16. #191
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    Quote Originally Posted by switchbacktrog View Post
    We also have a Suntour fork on our Lapierre tandem here in the UK, ours being the Duro FR20, 160mm of travel(coil sprung), 35mm stanchions and 20mm bolt through axle, 1.5" steerer. I've always used Fox forks with air springs on my single bikes but have been very pleased with the performance and plushness of the budget Suntour product. They also produce the Durolux, with air springs and travel adjust if you want to run it lower.
    hi,
    i'm thinking of putting this fork in a normal hardtail frame. do you think it would work sufficiently for a single rider as well?
    how hard are the springs compared to normal forks?
    cheers

  17. #192
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    It should be OK. We have the spring wound back to its softest setting to get the right amount of sag. You might need a softer spring, but it depends on your weight really.

  18. #193
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    Wow, not much has changed in fork suspension since the late 90's or has it?

    I have been tandeming since the late 80's. My first tandem was a Ritchey Skyline, worked beautifully, stiff, little flex, put the largest tires possible for the ridged frame and fork. Went down hard one day, my stoker was leaning off the bike in a gravel turn and bam, we got up and his shoulder was broken. Ahh, great memories. Later on, I purchased a Milkelsen tandem frame and built it up in 1997, it was built around 26" wheels. I called Cambria Cycles and asked what suspension fork would work on this bike, Red told me to use the Control Tech leading link fork. I did and it worked well, it was maxed out on air pressure, but it did work well. When we were out of the saddle, you would have the whoosh, whoosh noise of the front fork moving though it's travel. But, this bike handled so well, street and off road. Yes, I could get the front end to push....in the sand. I added yet another tandem in 1997, a Ventana with a Zyzzik (kant remember how to spell it, this fork was stiff, you could hit a curb straight on and the tandem would stall for a split second then roll on. Sold all of the tandems as we had kids and most of our cycling times diminished. Now, the kids are grown, we still have student loans to pay off, but, I just acquired an old Santana Rio, early 90's and searched for an suspension fork for it. I'm still amazed that there is little out there! The problem with the early Santana Rio is that the stock fork won't allow any tire larger than a 1.9" tire. At least if I go with a suspension fork, a 2.4 should work. So, I know that most people don't want to say which fork they are using because they are not tandem specked. Whoa, my question is: Is there any 15mm axle forks out there that will work on a tandem? Thanks, Mike

    Quote Originally Posted by ds2199 View Post
    Recently I have had a few converstions about suspension forks on a tandem. I would be interested to hear people's experience with their existing set up.

    1. What fork make/model and what frame make/model?
    1a. single or dual crown
    1b. lock out?
    1c. axle type 20mm thru? 9mm QR?
    2. Team weight?
    3. Type of riding.
    4. Any feedback regarding performance, maintenance etc. (positive or negative).

    I think this type of information on this forum would be extremely valuable.

    Also, feel free to add anything that I missed. And don't be bashfull telling us if you are running a "non-tandem rated" fork. This is an informal poll - you can always hide behind your screen name...

    Thanks!

  19. #194
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    My tandem may not be of help, but a Fox 40 has been serving me quite well.
    Attached Thumbnails Attached Thumbnails Suspension Fork Experience - What's Working? What's Not?-otter-air-2013-copysm.jpg  

    DW-DHR,VPX,SLX,SX,Stump Jumper ht.,Specialist, Bicycle Fabrications DH Tandem,Gravity Bike,Bamboo 29rs,Profile Uni,Renovo R4.

  20. #195
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    I Can't Believe Someon Used A Rock Shox Indy!

    Check out this ebay listing: Santana Mountain Bike Tandem 26" Suspension Fork Rigid Fork Shimano LX XT XTR | eBay

    The Rock Shox Indy flexed big time on a single bike, wonder how often it bottoms out? Now I would worry about fork breakage on this one!

    Mike

  21. #196
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    We are using a non-approved Fox fork that has worked very, very well for us. It is a Float 29'r set at 130mm with a FIT damper and 34mm stanchions. I notice very little flex except under very hard hits - otherwise it is very stable with the tapered head tube.

    Again, not an approved fork. We are a 280lb team and have had good success.

    Sent from my SCH-I535 using Tapatalk

  22. #197
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    White Bros Loop

    I have no affiliation with this individual, but am always looking for tandem stuff on local craigs...

    Looks like a fair price for a lightly used White Bros Loop! Applicable to this thread too!

    White Bros dual crown Loop 29er fork

  23. #198
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    Suspension on Cannondale Tandem 29er

    Absolutely love this thread. Learning a lot from those of you contributing to technical setups.

    So, I can get a killer deal on a newer Manitou Dorado Pro. Can anyone give any thoughts or advice as to how this fork would play with my 2014 Cannondale Tandem 29er? I'd greatly appreciate it. I'd like to act quickly on the fork before it's gone, but want to make sure it would be a good setup, or could be tuned to be a good setup, for our tandem.

    @PMK, you've been helpful in recent conversations with a separate thread on fitting tires with this particular bike. You seem to have a lot of experience with suspension setups.

    Suspension Fork Experience - What's Working? What's Not?-img_20141106_162539463_hdr.jpg

  24. #199
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    Once I increased the pressure to a 25% sag I've had no problems with our Manitou Marvel Pro. Note that it did increase the height slightly which was a good thing as with the stock fork the pedals would occasionally hit the ground going over short rollers.

  25. #200
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    Quote Originally Posted by iLike29er View Post
    Absolutely love this thread. Learning a lot from those of you contributing to technical setups.

    So, I can get a killer deal on a newer Manitou Dorado Pro. Can anyone give any thoughts or advice as to how this fork would play with my 2014 Cannondale Tandem 29er? I'd greatly appreciate it. I'd like to act quickly on the fork before it's gone, but want to make sure it would be a good setup, or could be tuned to be a good setup, for our tandem.

    @PMK, you've been helpful in recent conversations with a separate thread on fitting tires with this particular bike. You seem to have a lot of experience with suspension setups.

    Click image for larger version. 

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    I had Manitou build us a shortened travel version of the Dorado to test out on tandems. In the end, the spring rate was way too linear, and the amount of preload necessary to hold the fork up without having more than 50% sag was well beyond the max recommended pressure in the fork. After some discussion with the folks at Manitou, it was determined that the internals weren't suited for high weight loads and the accompanying pressures. So the chassis of the fork would work, but the guts don't.

    White Bros will soon have the Stoke tandem fork out, and it's travel (100mm) will better match up to the Cannondale's geometry. There are also some other, non-tandem rated forks out there that would probably work better than the Dorado (great DH fork, but not that good as a tandem fork).

    PMK is a suspension wiz!
    MTB Tandems Inc.
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