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Your Ibis Mojo HD3

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Ibis has simply made one of the best-balanced all-mountain bikes on the market.

Vernon Felton, Bike Magazine
Ibis bike underline

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Mojo HD3

Ibis bike underline

Mojo HD3, now with Boost, now with Plus

The Mojo HD3 was an instant classic when launched in November of 2014. It was our most popular bike in 2015.

We are pleased to announce a major update to the Mojo HD3 as of March of 2016.

The Mojo HD3 is now both Boost and Plus compatible.

Boost is a new standard for axles and drivetrains that allows us to build a bike with a stiffer rear end and no weight penalty. It also allows us to increase clearance so we can run larger rubber on the bike. The HD3 now accommodates the incredible new 2.8" Plus tires from both Schwalbe and Maxxis. In the words of 'The Angry Singlespeeder" on MTBR, these tires have "Traction for Days". The level of grip with the new plus tires is just shy of Velcro. 

The HD3 also features the latest and greatest refinement of the famed dw-link suspension. Geometry is fully modern: longer, lower and slacker, with 6” of plush rear wheel travel. We’ve built in versatile internal routing and updated the carbon fiber frame design, allowing us to put a water bottle on top of the downtube. We also achieve a drop in weight and pedaling performance on par with the Ripley, so the bike is very fast going up, and scary fast going down.


For current HD3 owners who want to upgrade to Boost/Plus, we’ve got great news. We are offering a swingarm retrofit kit for the 142mm HD3s to convert to the new Boost/Plus swingarm. US MSRP is $899. Read all about it on the DETAILS tab to the right.


  • Accepts 27.5" tires in 2.3", 2.5" and also 2.8" Plus size
  • The most advanced version of the dw-link suspension on the planet
  • Boost 148mm rear/110 Front axle
  • 6” (150mm) of rear wheel travel
  • Carbon fiber monocoque frame and swingarm
  • Weight for the frame and shock, size large, matte finish: 5.9 lbs
  • 66.6º head angle
  • Shock specs: Fox Factory FLOAT DPS 3pos w/Adj and EVOL Sleeve with Kashima Coat, 7.875" x 2.25"
  • Optional shock: Fox Float X2
  • ISCG 05 compatible with removable adapter is available
  • Threaded bottom bracket
  • Super versatile internal cable routing including internal dropper routing.
  • Optional polycarbonate down tube cable guard
  • Chain stay length: 16.9"
  • 160mm post mount
  • Tapered Head Tube and Steerer
  • Dual row angular contact bearings on the drive side of the lower link that have less play than standard sealed bearings. Preload adjustment is not necessary. Large 28mm x 15mm x 7mm radial bearings on the non drive side for stiffness and long wear
  • BB height with tire sag is the same with 2.3, 2.5 or 2.8 tires
  • 1X or 2X with a removable direct mount front derailleur mount that gives a clean 1X look

Reviews / Awards

Suspension techology, drivetrain performance, materials technology and carbon frame construction have all enjoyed tremendous advances in the last few years. All of us who ride have benefitted greatly.

The newest and we think most exciting areas of innovation now are wheels and tires. We've devoted an entire section one tab over to the right. For the other areas of innovation in the Mojo HD3, read below.

Progress lies not in enhancing what is, but in advancing toward what will be.

Khalil Gibran

Since our revolutionary Mojo Carbon came out in 2005, we've been “advancing toward what will be”, by building long-travel bikes that strike a balance between climbing and descending.

The third generation Mojo HD (HD3) is an extremely capable do-everything long-travel mountain bike. The goal was to build a bike that was confidence inspiring downhill, that didn't feel sluggish everywhere else. Based on the following quote, we think we’ve succeeded:

Hundreds of kilometers on the new Mojo has shown it to be more capable on the descents than its predecessor, but without many of the drawbacks that often come with such impressive abilities. Ibis has done well by taking the phrase 'all-around' to the next level.

Mike Levy, Pinkbike

148 Boost

The first version of the Mojo HD3 was a non-Boost bike. By updating to the Boost standard in the swingarm, we were able to increase the clearance to accommodate the 2.8 Plus tire size, while maintaining weight and stiffness of the first version, and not adding any weight. Here's a photo of the clearance, with a 2.8" Schwalbe Nobby Nic.



For current HD3 owners who want to upgrade to Boost/Plus, we’ve got great news. We are offering a swingarm retrofit kit for the 142mm HD3s to convert to the Boost/Plus swingarm. US MSRP is $899

The retrofit kit consists of:

  • All new HD3 Boost/Plus Swingarm
  • New 148mm Hexle
  • Boost lower link
  • Boost lower link rear shaft hardware
  • Boost compatible front derailleur mount
  • Retrofit kits will ship in April 2016, are available to backorder here from our online store. 

If you're ready for Plus tires, but don't want to pony up for an entirely new set of 741 Boost wheels, there's a simple way to modify your rear wheel with the Linderetes Boostinator. This is the set up our entire Enduro World Series Team is racing on this year.

Designed by Roxy Lo, for everyone

Roxy, our frame designer is a shade over 5' tall, let's call her 5'1" with shoes on. Tom Morgan, our President is 6'6", barefoot.

Combined, they make sure that our bikes fit people throughout the size and gender spectrum.


What’s most amazing about the HD3 is that with the help of the latest and best ever refinement of the dw-link, we’ve managed to completely decouple pedaling performance from suspension travel. That means that our 6” bike probably climbs better than a lot of 4” bikes. And due to the descending credentials of the dw-link, it probably feels like your 7” bike when you point it down hill and let go of the brakes.

Here’s what Bike had to say:

The all-new Mojo HD is capable and, most notably, quicker on the climbs than much of the competition. Ibis has simply made one of the best-balanced all-mountain bikes on the market.

Vernon Felton, Bike Magazine


While the frame looks similar to its predecessor cousins the HD and the HDR, the geometry has been refined and modernized. All top tube lengths have jumped by 20mm from the earlier HD’s. The bike is longer and lower and slacker. With the Fox 36,  you can build the bike of the beast with a 66.6º head angle. The Pike fork with 150mm of travel delivers a 67º head. The upright seat angle (73º) and short (16.9”) chainstays helps us make the bike into such a capable climber (see quotes above).


We think 6” of travel is right for most people's riding needs, we felt it struck the best balance for a climbable enduro style bike. With a longer travel bike comes the temptation to put 180mm forks on them, thus requiring heavier frame construction and moving the bike into a different category.

Variable leverage rates and shock tunes can make a 6” bike feel it’s got much more travel, or it can be the other way around. Since our dw-link bikes tend not to get stuck in the middle of their travel and have a very linear feel to them, the available travel feels consistent, predictable and more usable.

Another advantage of sitting a bit higher in its travel is that we can lower the bottom bracket height, making for a better handling bike, while not being prone to pedal strikes.

The Frame

You’ll notice that the HD3 shares its DNA with the Mojo HD, the Ripley and the Tranny. From the HD comes the iconic Mojo frame design, beautifully organic yet proven to be fiercely robust. We’ve borrowed the clevis idea from the Ripley, allowing for more clearance in the triangle, meaning you can conventionally mount a water bottle inside the triangle (and another one under the downtube on the large and XL). From the Tranny comes the latest in elegant industrial design and versatile cable routing options. 

We’ve managed to keep the weight to less than 6 pounds with shock (5.9 with a large size).


With the help of the clevis, we’ve made the linkages on the HD3 lighter. There is a new bearing configuration, with both dual row angular contact bearings moving to the drive side, enhancing the  stiffness.

Molding technology

As with the Ripley and HDR, we start by molding a sacrificial mandrel in exactly the shape that we want the inside of the frame to be. That becomes the 3D template for the bladder that holds all the carbon preform before it's laid into the mold. This allows the lay-up to be done in one piece, with no joints anywhere. The result is a more precise structure that eliminates the need for additional foam or filler to mold the complex shapes. What that means for you is a lighter and stronger frame, critical factors in hitting our targets for weight and stiffness.


We offer both the Float CTD and the DBinline on the bike. We think the CTD is an extremely reliable, light, capable shock that is a great choice for a lot of people. For more aggressive riding and greater tunability, there's the excellent and robust DBinline. 

The tune on the Fox is 175 boost medium compression/ medium rebound.  The low boost valve gives us better small bump sensitivity and then the medium compression tune takes over for bigger hits. 

The goal with the dw-link tune on this bike is to pedal well and have even better small bump sensitivity.  The leverage rate delivers the same linear feel with a slight ramp at the end that we've always liked. This keeps the suspension feeling consistent and predictable, with no nasty surprises.

To setup sag, go for  14 - 18mm / 25 - 30%.


We run tapered head tubes and steerers in all of our bikes as they deliver an exceptionally rigid front-end platform. One of the new features of the HD3 not found in our bikes previously is the ZS56 lower headset. This allows for a bigger gap between the top tube and the down tube which results in a stronger front end with no weight penalty. It's particularly effective on the small and medium.

You may use several different Cane Creek headsets or the Chris King InSet 2 headset.


There's a lot of versatility with the cable routing. You can run full housing or interrupted housing. Interrupted housing using our available cable stops will allow you to save about 55 grams of weight over a fully run housing. Our dropper of choice is the KS LEV Integra but a dropper line can be run though the top tube if you’re not using a top pull front derailleur. 

Front derailleurs aren’t dead yet

If you peek under the upper link at the back of the seat tube, you'll see a small aluminum piece bolted on. That’s a cover plate that replaces our direct mount front derailleur adapter. If you’re running 1X you’ll use this plate, and if you want to run XTR 2X or XT 2X, there’s an extremely clean derailleur mount that bolts on.

Threaded BB

The bottom bracket is threaded 68mm with ISCG-05 capability. Available as an option is an ISCG-05 adapter, allowing you to mount a chainguide should you desire.


You can fit up to a 200mm diameter rear rotor.

Polycarbonate Downtube Guard

If you ride in rocky environments we have available an optional polycarbonate guard that bolts on under the down tube, providing an extra degree of protection.

Easily accessible water bottle

We've made a provision on the HD3 for a water bottle on the inside the triangle and on the large and XL one below the down tube. It’s best to use a side-loading cage if using a large bottle inside the triangle, such as this one from Arundel.


The Angry Singlespeeder,


You can choose either normal tires or 2.8 Plus tires with the same frame and wheelset.

If a rider wants a fast/light setup or there is already plenty of traction in his/her area, a 2.2-2.4 tire will be great.  Also, wide tires don’t work as well in the mud so if you’ve got sticky mud, take the plus tires off (We're talking to you, U.K!).  You’ll have huge clearance for your thinner mud spikes.  All of our initial testing was on 2.35/2.25 tires and with those size tires, the bike rips.

Need something a little burlier? We have been working with Maxxis to make a wide-rim specific tire, and they have released the Minion DHF WT 2.5.  For our 35mm inner width rims (741/941), this is the tire we’ve been waiting for. The side knobs are much more supportive and cornering confidence is increased immensely.  We’ve been riding everything from familiar local trails to all-day rips in Downieville and Tahoe on these tires and are super pleased. Note that the Mojo HD3 will now be shipped with any of the three tire options, those living in rockier terrain will probably want the beefier Minions.

Plus Compatible

We’ve been riding plus-sized tires on different bikes… We tried a few different 3.2”, 3.0” and 2.8” tires and found a whole new ability to attack rough terrain.

Rider feedback told us that the plus tires get bouncy and really heavy as they get bigger, so we have come to the opinion that 29" plus and 27.5 x 3.0-3.2 is a deal killer for most people.

Looking to find a good balance of everything, the sweet spot for traction, bump absorption, lightweight and fast rolling is around 2.5-2.8. Big enough to get the benefits of greater air volume and traction, but not inherently bouncy or heavy.  With a lightweight 2.8 tire the bike’s capabilities jump a level while the weight/climbing/speed/rolling resistance drawbacks are minimal.  

An undamped spring is the enemy of control.

Colin Hughes, Lead Ibis Engineer

Wide is good but too tall is bad.  Tall is just an undamped spring and those become a handful at speed.  They do float along absorbing things at low speed but it all falls apart once you try to go fast over rough terrain.  
After riding quite a few plus bikes, our engineer Colin commented “They’re really fun...until they’re not”.
We understand the appeal of trying to get around having hydraulic damping, it’s expensive and requires periodic service, but in terms of control at speed, there is no substitute.  On a side note, loaded mountain touring is gaining popularity, this is a perfect application for the bigger plus tires.

We’ve found that the numbers printed on tire sidewalls mean very little when it comes to height.  The Schwalbe and Maxxis 2.8’s are only 0.15” taller in section height than a 2.3 tire whereas 3.0’s are 0.4” taller.  That means with the 2.8’s you get the added traction but without bounce and vagueness in corners.  They also allow for those short 425mm chainstays which would not be possible if we tried to fit bigger than 2.8’s.

They're just like normal tires...with more traction

Said every single person who has ridden these new 2.8 Plus tires

Pointing it Down hill

Both the 2.8 Schwalbe and the 2.5” Minion WT tires feel very fast on this bike while descending. So we set out to see if one tire was better than the other in a quantifiable way.  We did speed runs down local trails comparing one tire setup to another not just in terms of feel but also for time. While both offer tons of traction, the tires feel different on the trail: The Minion WT’s are very stable and gives a supreme confidence to the rider.  Banging through berms and sharp direction changes are where this tire sets itself apart.  The 2.8” Schwalbe, with its bigger casing and air volume, loves to plow through anything on really rough terrain.  Although the tires felt totally different, we were surprised that they actually gave the exact same times on multiple runs, they just got there in totally different ways. The Maxxis would be faster in directional changes and windier sections, while the max speed would be higher with the plus tires.  It really comes down to personal preference and riding style to determine who picks which tire.

Final thought

At the pressures we normally run on the 2.8" tires (13-16psi), wide rims are mandatory.

Show/Hide the Geometry Overlay

160mm Fork (552mm axle to crown)

Nominal Size   Small Medium Large X-Large
C-to-T Size A 368 (14.5") 419 (16.5") 470 (18.5") 521 (20.5")
EFF Top Tube B 580 600 620 640
Head Tube Length (4mm stack of lower cup not included) C 85 105 117 132
Chain Stay D 430 430 430 430
Seat Tube Angle E 73.6º 72.6º 72.6º 72.6º
Head Tube Angle F 66.6º 66.6º 66.6º 66.6º
Wheelbase G 1135 1146 1168 1189
BB Height (with 2.3 Maxxis Minons) 344 344 344 344
Stack 580 599 610 624
Reach 411 414 431 446
Standover 707 731 735 762
Trail 105 105 105 105
Sizing Guide (rider height) 152–165 (5'0"–5' 5") 163–175 (5'4"–5' 9") 175–188 (5'9"–6'2") 183–198 (6'–6'6")

150mm Fork (542mm axle to crown)

Nominal Size   Small Medium Large X-Large
C-to-T Size A 368 (14.5") 419 (16.5") 470 (18.5") 521 (20.5")
EFF Top Tube B 580 600 620 640
Head Tube Length (4mm stack of lower cup not included) C 85 105 117 132
Chain Stay D 430 430 430 430
Seat Tube Angle E 74.1° 73.1° 73.1° 73.1°
Head Tube Angle F 67° 67° 67° 67°
Wheelbase G 1131 1142 1164 1185
BB Height (with 2.3 Maxxis Minons) 340 340 340 340
Stack 577 595 607 620
Reach 415 419 434 451
Standover 703 729 732 758
Trail 102 102 102 102
Sizing Guide (rider height) 152–165 (5'0"–5' 5") 163–175 (5'4"–5' 9") 175–188 (5'9"–6'2") 183–198 (6'–6'6")
125 mm KS Lev Saddle Height Range (BB to seat top) 61.7 cm to 67.3 cm (or 56.7 to 63.3cm with 100 mm 64.5 cm to 73.0 cm 69.7cm to 78.4cm 73.5 cm to 83.0 cm
150mm KS Lev Saddle Height Range (BB to seat top) You'd be weird to want this. 67.0cm to 78.0 cm 72.4cm to 82.9cm 76.5 cm to 87.5 cm


  • Seatpost Diameter 31.6mm
  • Front Derailleur Direct Mount
  • Bottom Bracket 68mm (BSA) English Thread
  • Rear Shock Specification 7.875" x 2.25"
  • Rear Axle 12 x 148mm BOOST
  • Rear Brake 160mm Post Mount
  • Chain guide compatibility ISCG 05
  • Max Rear Rotor 203mm
  • Headset Mixed Tapered (ZS 44 upper / ZS 56 lower)

Dropper Post Saddle Height Calculations

Do not try to insert your post deeper than these measurements. Forcing the post can result in a seat tube failure.

Frame measurement S M L XL
Center-to-Top (mm) 366 419 476 520
Max Insertion (mm) 155 185 230 275

Measurement from center BB to center of saddle rail (mm) for the Fox Transfer

Drop Min/Max S M L XL
150 Min 666 688.5 700.5 729.5
  Max 721 774 831 875
125 Min 616 639.5 661.5 705.5
  Max 671 724 781 825
100 Min 566 589.5 636.5 680.5
  Max 621 674 731 775

Measurement from center BB to center of saddle rail (mm) for the KS Lev Integra

Drop Min/Max S M L XL
175 Min 697 709 746
  Max 770 827 871
150 Min 621 647 677 721
  Max 676 730 787 831
125 Min 575 595 651 695
  Max 630 680 737 781
100 Min 525 569 626 670
  Max 580 640 697 741

Measurement from center BB to center of saddle rail (mm) for the Rock Shox Reverb

Drop Min/Max S M L XL
170 Min 691 714 726 755
  Max 766 819 876 920
150 Min 651 674 691 735
  Max 726 779 836 880
125 Min 601 624 666 710
  Max 676 729 786 830
100 Min 551 584 641 685
  Max 626 679 736 780

Sorry, no build kit info for the Mojo HD3.

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