Andrew Whiteford 650b first impressions
Digital Hippy goes 650b
Converting between 26 and 650b
An HDR in Poland
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Your Ibis Mojo HDR

Total Price: $

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The HDR has the goods to stay in the elite for some time.

Vernon Felton, Bike Magazine
Ibis bike underline

About the Visualiser

Our virtual mechanic is pretty fast. He's also sometimes kind of lazy. He'll swap out frame colors and show you your drivetrain upgrades but he says it takes too long to change brakes and things. He's doing his best but please excuse any irregularities you may notice...

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If you're trying to see some bigger images of the Mojo HDR click on the 'GALLERY' tab below. That's where the nice big images should be.

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Mojo HDR

Ibis bike underline

The Mojo HDR continues in the very capable footsteps of our popular and highly regarded Mojo HD, taking its technology and versatility a few steps further. The "HDR" and the "HD" feature identical travel (160mm), the same suspension (the incomparable dw-link), and the same proven geometry.

The HDR adds even more diversity to its menu.

You're currently looking at the 26" wheel 160mm travel version of the bike. You can set it up with 160mm or 180mm front forks. If you want to run the bike in long travel 650b mode check the details tab to the right.

Over on this page, you can see the HDR 650b, featuring 27.5" wheels (that's why we called it the HDR 650b) and a ton of ways to set it up. All of its chameleon-like geometric gyrations can be seen over here.

Maybe the best place to start would be the galleries tab, where we've got a few videos showing the bike in action along with some lovely big studio shots.


  • 160mm of rear wheel travel
  • dw-link Suspension
  • 2014 Fox Float CTD Adjust Factory Series with Kashima Coat, 8.5" x 2.5"
  • 26" Wheels
  • Weight for the frame and shock, size medium, matte finish: 6.2 lbs (~.1 lb difference between sizes and for painted frame)
  • 67.5 degree head angle with a Fox Float 34 160mm fork
  • Optional polycarbonate down tube cable guard
  • Chain stay length: 17.125"
  • 12 x 142mm Maxle rear axle
  • 160mm post mount left dropout, carbon fiber
  • Tapered Steerer
  • Compatible with Chris King InSet 3 headsets.
  • If you want to run your current straight 1 1/8" fork, adapters available
  • Dual row angular contact bearings in the front 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 in the rear for stiffness and long wear
  • Fox RC4 coil rear available as an option
  • The Bottom Bracket height is 13.8" with 2.3" tires
  • Front derailleur (if you use one) and adjustable seatpost housing (if you use one) run along the top tube
  • Direct mount front derailleur

Reviews / Awards

As we mentioned in the overview, the Mojo HDR is taking over where the very capable Mojo HD is leaving off. They share travel, geometry and suspension kinematics. There are some differences too.

The "HDR" is slightly lighter than the HD, around .3 -.4 lb (depending on size and color), yet is stronger and of equal stiffness. We've employed a new, more precise molding technique similar to that used in the Mojo SL-R to get the weight down.

By shifting around our linkage locations, we've managed to add ISCG 05 chainguide mounting functionality and dramatically increased the front derailleur compatibility across both the 2X and 3X spectrum. We've also increased clearance for the new 11 speed cogsets.

With some other tweaks to the frame, we've made the frame compatible with Fox's new lighter weight XV air cans on the CTD shocks. We've also added clearance for their new Float X piggy back shock.

But perhaps the biggest change of all is that we've made the HDR a fully functional 650b / 27.5" bike. Like its predecessor the HD whose travel you could set at 140 or 160, the HDR has two travel options. In 160mm mode you use 26" wheels and can have your way with just about any trail. And its climbing prowess in this mode is the reason why it's one of the most popular bikes on the enduro circuit. The standard front travel for the HDR is 160mm, though we have a 180mm offering which those people with larger dangly things between their legs prefer to ride.

With a new set of "Limbo Chips" and a shorter shock (the same on shock on the Mojo SL-R), the bike can be set to 130mm travel mode, and with a set of 650b / 27.5" wheels and a fork, you've got yourself a bona fide 'tweener', not a 26", not a 29". That's called the HDR 650b.

So the HDR has an exceptionally versatile chassis. One that can be beat pretty hard in all day lift riding (put that 180 fork and a coil shock on those days), or run it in shorter travel mode with 650b wheels for a low and slack medium duty trail bike that will probably still net you a few uphill and downhill KOMs (if you're into that sort of thing).

Here’s a lot more on the various features and design of the HDR.


The HDR features a mixed tapered headset with a 1.5″ lower and a 1.125″ upper. The 1.5″ lower provides an exceptionally rigid front end platform. Combined with the through axle fork and our very stiff front end layup, you’ll be amazed at the precision found in the front end, particularly when pushing hard. The HD is also compatible with the King InSet 3 headset.


160mm of Ibis spec dw-link feels like a lot more. The spring curves and leverage rates we’ve spec’d along with Fox on their excellent Kashima Coat Float CTD resulted in a bike that surprises people when they ride it. The HDR feels bomber unless you’re pedaling it uphill, when it feels downright svelte. The 1.5 tapered steerer, our refined carbon layup, and the sum total of many customers’ feedback being incorporated into the design of this frame...all these things combine to give the HDR a very surprising feel. It’s built like a tank, but doesn’t ride like one. Welcome to the new era.


With the popularity of the 11 speed cogsets on the rise, we've increased the clearance at the drive side dropout to allow for most hub/cassette combinations. We like the 11 speed drivetrains when utilized with a  32 or 34 cog, they nicely match the suspension kinematics that way.


We've managed to tweak things a bit in the linkage area of the bike.


We've found that some newer shocks are being built with air chambers that require a little more clearance, and we've provided that with the HDR.


Depending on brand and depth of knobs, 2.35″-2.5″ tires (26") will fit the Mojo HDR. You can fit up to a 200mm diameter rear rotor.


Cable routing is provided for cable actuated adjustable seatposts. Cable guides are all removable so you can have the cleanest possible look depending on your cable orientation and whether or not you’re running a front derailleur.


If you are an extremely aggressive rider, we’ve found that it’s possible to damage the brake line and derailleur housing that will be routed under the down tube. To prevent that from happening, we have available an optional polycarbonate cable guard that bolts on under the down tube.


We expect the HDR to get an extra heaping helping of abuse, so we’ve beefed up the lower link considerably, compared to the SL-R. It features dual row angular contact bearings in the front of the lower link that have less play than standard sealed bearings. The large 28mm x 15mm x 7mm radial bearings in the rear offer greater stiffness and longer wear.

Show/Hide the Geometry Overlay

With 160mm Fork

Nominal Size   Small Medium Large X-Large
Seat Tube Length A 15" (38.1cm) 17" (43.2cm) 19" (48.3cm) 21" (53.3cm)
Top Tube Length B 564 (22.2") 587 (23.1") 604.5 (23.8") 625 (24.6")
Head Tube Length C 94 (3.7") 103 (4") 118 (4.65") 134 (5.28")
Chainstay Length D 435 (17.1") 435 (17.1") 435 (17.1") 435 (17.1")
Seat Tube Angle E 71.5° 71.5° 71.5° 71.5°
Head Tube Angle F 67.5° 67.5° 67.5° 67.5°
Wheelbase G 1091 (43") 1112 (43.9") 1132 (44.6) 1154 (45.5)
Standover 715 (28") 758 (29.8") 760 (29.9") 770 (30.3")
Stack 566 575 590 605
Reach 365 382 403 412
Trail 100 100 100 100
Sizing Guide (height-inches) 5'0" - 5' 5" 5'4" - 5' 9" 5'9" - 6'2" 6' - 6'6"
Sizing Guide (height-cm) 152 - 165 163 - 175 175 - 188 183 - 198

With 180mm Fork

Nominal Size   Small Medium Large X-Large
Seat Tube Length A 15" (38.1cm) 17" (43.2cm) 19" (48.3cm) 21" (53.3cm)
Top Tube Length B 569 (22.4") 589 (23.2") 610 (24") 630 (24.8")
Head Tube Length C 94 (3.7") 103 (4") 118 (4.65) 134 (5.28")
Chainstay Length D 435 (17.1") 435 (17.1") 435 (17.1") 435 (17.1")
Seat Tube Angle E 70° 70° 70° 70°
Head Tube Angle F 66° 66° 66° 66°
Wheelbase G 1101 (43.3") 1122 (44.1") 1142 (45") 1164 (45.8")
Standover 722 (28.4") 763 (30") 765 (30.1") 775 (30.5")


  • Seatpost Diameter 31.6mm
  • Front Derailleur 34.9mm
  • Headset Mixed Tapered (1.5" lower, 1.125" upper)
  • Bottom Bracket 68mm (BSA) English Thread
  • Bottom Bracket Height (Unsagged) 352mm (13.8")
  • Bottom Bracket Height (@30% Sag) 304mm (12")
  • Chainline 50mm

Sorry, no build kit info for the Mojo HDR.

Setup Videos

Setting the correct sag on your suspension bike is a fundamental but super important part of getting the most out of your ride. This video shows you how to achieve a perfectly balanced front and rear end. We show you how on a Ripley, but it applies to any of our dw-link suspension bikes.