plus size for touring? 27.5 vs 29plus
#2
Senior Member
Joined: Aug 2009
Posts: 5,720
Likes: 111
From: North of Boston
Bikes: Kona Dawg, Surly 1x1, Karate Monkey, Rockhopper, Crosscheck , Burley Runabout,
Pedaling paved or bikepacking dirt and singletrack? I'm planning on using my Karate Monkey this summer for some paved and dirt road touring. Using 29 x 2.3 Geax tattoo slicks.
#3
Banned
Joined: Jun 2010
Posts: 43,586
Likes: 1,380
From: NW,Oregon Coast
Bikes: 8
Asked Google about an Australian fat bike tour out into the bush "canning stock road by bike" done Years ago..
I have these pictures of some fat bike touring rides and riders ..
https://doingthemiles.files.wordpres...e-fat-bike.jpg
https://www.google.com/search?q=cann...w=1808&bih=959
I have these pictures of some fat bike touring rides and riders ..
https://doingthemiles.files.wordpres...e-fat-bike.jpg
https://www.google.com/search?q=cann...w=1808&bih=959
Last edited by fietsbob; 12-16-15 at 03:45 PM.
#4
Love it. 2.4" in the back, 3.0" in the front. Doing a lot of extended rides on a mix of pavement/off-road conditions with lots of climbing.

I built this bike specifically for dirt touring, hence the simplified drivetrain (I'm young, SS isn't for everyone, gears are fine too) and the Jones bars. The geometry is dead-on for me because I am a tall dude at 6ft. I do not think my girlfriend would enjoy 29+ wheels because she's only 5'7". We are looking into 27.5+ for her.
There isn't a significant increase in rolling resistance with the Vee Trax Fatty. The tire profile is very round, so at 17-20 psi the center tread rolls very fast on pavement. I alternate my skinny-tired Soma Double Cross and this bike and don't feel slow and sluggish. The Maxxis Ardent in the back is also a quick one.
Certain tires, like the Surly Knard, are decent rolling. Others with huge knobs, like the Maxxis Chronicle, may be a lot more of a pain to push. I like where the Vee Trax Fatty sits, it is a very high-quality tire.

I built this bike specifically for dirt touring, hence the simplified drivetrain (I'm young, SS isn't for everyone, gears are fine too) and the Jones bars. The geometry is dead-on for me because I am a tall dude at 6ft. I do not think my girlfriend would enjoy 29+ wheels because she's only 5'7". We are looking into 27.5+ for her.
There isn't a significant increase in rolling resistance with the Vee Trax Fatty. The tire profile is very round, so at 17-20 psi the center tread rolls very fast on pavement. I alternate my skinny-tired Soma Double Cross and this bike and don't feel slow and sluggish. The Maxxis Ardent in the back is also a quick one.
Certain tires, like the Surly Knard, are decent rolling. Others with huge knobs, like the Maxxis Chronicle, may be a lot more of a pain to push. I like where the Vee Trax Fatty sits, it is a very high-quality tire.
#5
The 27.5+ and 29+ size tires and bikes are new. Maybe everyone has not seen them yet. They are smalles than a fat bike and bigger than a mountain bike. 3 inches wide or there abouts.
I have been wanting a new bike for a while now, and am glad I waited. The new 148 mm rear hub should make a stronger wheel. All that extra air should add some cushion, and traction.
I would like to hear from some people who have tried both 27.5+ and 29+. What about full suspension and + size?
I have been wanting a new bike for a while now, and am glad I waited. The new 148 mm rear hub should make a stronger wheel. All that extra air should add some cushion, and traction.
I would like to hear from some people who have tried both 27.5+ and 29+. What about full suspension and + size?
Last edited by chrisx; 12-16-15 at 06:36 PM.
#6
Sunshine
Joined: Aug 2014
Posts: 18,756
Likes: 10,316
From: Des Moines, IA
Bikes: '18 class built steel roadbike, '19 Fairlight Secan, '88 Schwinn Premis , Black Mountain Cycles Monstercross V4, '89 Novara Trionfo
#7
canis lupus familiaris
Joined: Dec 2011
Posts: 2,254
Likes: 1
From: North Carolina
Bikes: En plus one
#8
George Krpan
Joined: Jan 2007
Posts: 1,708
Likes: 1
From: Westlake Village, California
The 27.5+ and 29+ size tires and bikes are new. Maybe everyone has not seen them yet. They are smalles than a fat bike and bigger than a mountain bike. 3 inches wide or there abouts.
I have been wanting a new bike for a while now, and am glad I waited. The new 148 mm rear hub should make a stronger wheel. All that extra air should add some cushion, and traction.
I would like to hear from some people who have tried both 27.5+ and 29+. What about full suspension and + size?
I have been wanting a new bike for a while now, and am glad I waited. The new 148 mm rear hub should make a stronger wheel. All that extra air should add some cushion, and traction.
I would like to hear from some people who have tried both 27.5+ and 29+. What about full suspension and + size?
A friend with the same bike as mine has run 1.95" tires without a problem.
I would use a 29+ for dirt touring.
#9
Also, though, a slightly wider tire in the front is good because of traction. If your rear tire skids out, you'll probably be fine. If your front tire skids out, you're almost certainly going to crash.
I don't think anyone is using wider tires in the rear anymore.
#10
On my bike, first and foremost it's about clearance. Front tire measures as a 2.8, rear tire is just slightly wider than a 2.4 (wide rim).
Also, though, a slightly wider tire in the front is good because of traction. If your rear tire skids out, you'll probably be fine. If your front tire skids out, you're almost certainly going to crash.
Also, though, a slightly wider tire in the front is good because of traction. If your rear tire skids out, you'll probably be fine. If your front tire skids out, you're almost certainly going to crash.
__________________
Pete in Tallahassee
Check out my profile, articles, and trip journals at:
https:/www.crazyguyonabike.com/staehpj1
Pete in Tallahassee
Check out my profile, articles, and trip journals at:
https:/www.crazyguyonabike.com/staehpj1
#11
Senior Member
Joined: Jun 2010
Posts: 7,579
Likes: 6
From: Pearland, Texas
Bikes: Cannondale, Trek, Raleigh, Santana
IMHO full suspension is great for down hill racing, but that's about it. The combination of the two should, in theory, provide the most cushioned ride possible.
Back in the rigid mountain bike days there was a handful of riders who preferred a wider and lower pressure tire on the front for better control. I didn't subscribe to the practice, and perhaps I should have, but a 2" tire worked well enough for me.
Brad
Brad
#12
Senior Member

Joined: Feb 2004
Posts: 3,815
Likes: 434
From: Thailand..........currently Nakhon Ricefield, moving to the beach soon.
Bikes: inferior steel....alas....noodly aluminium assploded
#14
Wider on the rear makes more sense on road and touring bikes IMO. For off road riding, a fatter tire in front seems to follow the same logic of installing suspension on the front of a rigid frame. I swapped my susp. fork for a rigid fork and now run a 2.5" tire fron 2.1" tire rear. I am not going to win any world cup XC races on it, but I can ride almost anywhere the FS bikes do.








