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Ibis Mojo HDR 650B XT Bike

Item #: BI232B04
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Photo is for illustration purposes only. Photos shown are the XT 650b build (blue) and the Special Blend 650b build (black), you will be shipped a 26" bike with the XT build (details of build listed below).

Ibis Mojo HDR 650b XT Bike

Ibis History:

Ibis is known in the cycling industry for the expert craftsmanship and high-grade materials that go into the manufacturing of their bicycles. To understand how it all started, take a trip back in time to 1980. Ibis founder, Scot Nicol read an article about the new “Klunker Bike” movement in the Spring issue of CoEvolution Quarterly—a friendly hippy magazine. The seed was planted. In 1981, in a workshop in Mendocino, California, the first Ibis bicycle was made. Glassy eyed onlookers saw the bicycle and asked Scot if he could produce more. Fast forward 30 years to present-day Ibis: a renowned boutique bicycle manufacturer with humble beginnings that continues to raise the bar in the mountain bike world.

Mojo HDR 650b Frame

The Mojo HDR 27.5" frame is an extremely versatile design. It can be set up in a number of ways, for a variety of riding styles. Both the HDR 26" and HDR 27.5" share the same frame, making it possible to change wheel size and front and real travel to suit your riding style and terrain. The stock 27.5" model is set up with 130mm of travel in the frame, and is meant to incorporate a 140mm fork. The HDR's mixed tapered headset provides an impressively rigid front end platform. This design combined with the thru axle fork and stiff front end carbon layup make for an extremely precise and sturdy design. Ibis also recently beefed up the lower link of the HDR's suspension to ensure that it will endure mile after mile of abuse. Since the Mojo HDR was born out of innovation, it makes sense that Ibis wouldn't stop at the bare minimum of technical features. The newest version of the HDR features increased clearance for 11 speed drivetrains as well as a removable ISCG chainguide mount, taking the versatility of this already stellar bike to an even greater level.

Ibis Mojo HDR XT Build Kit:

The Mojo HDR XT build is outfitted with the latest Shimano XT 2x10 drivetrain and brake system. XT is Shimano's second tier groupset and is an absolutely great option for value concious riders who demand high performing components. With XT, shifting is smooth and worry free, braking is responsive and powerful, and the smile on your face is a mile wide. The Mojo rolls atop a study set of Stan's ZTR Flow EX 650b wheels wrapped in high performance Pacenti Neo-Moto 2.3" tires. Suspension duties are handled by a Fox Float 34 CTD 140mm in the front and Float CTD Adjust Factory Series in the rear, both with Kashima coat and dialed and plush as can be. Ibis finishes off the XT build with a competitive mix of Ibis branded components in the cockpit.


  • Shimano XT Drivetrain
  • Fox Float 34 CTD 140mm travel fork
  • Shimano XT hydraulic disc brakes
  • Stan's ZTR Flow EX 650b wheels
  • 650b wheel platform
  • 130mm of rear wheel travel
  • DW-Link Suspension
  • 2014 Fox Float CTD Adjust Factory Series with Kashima Coat, 8.5" x 2.5"
  • 12 x 142mm Maxle rear axle
  • 160mm post mount left dropout, carbon fiber
  • Tapered Steerer
  • Compatible with Chris King InSet 3 headsets.
  • 2.35"-2.55" rear tire depending on brand and height of cornering knobs
  • 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
  • Direct mount front derailleur

Frame Ibis Mojo HDR
Fork 2014 Fox Float 34 CTD 140mm travel, Kashima Coat, 15QR thru-axle, tapered steerer
Headset Cane Creek 40: ZS44 1 1/8" top / EC49/40 Traditional 1.5" bottom
Rear Shock 2014 Fox Float CTD Adjust Factory Series with Kashima Coat, 7.875 x 2.0
Wheelset Stan's ZTR Flow EX 650b Rim 32H Black, w/Speed Tuned XM hubs
Tires Pacenti Neo-Moto 2.3"
Brakes Shimano Deore XT BR-M785, 180mm Front Rotor, 160mm Rear Rotor
Shifters Shimano SL-M780 Deore XT
Front Derailleur Shimano FD-M781D, XT Down-siwng, Dual-pull, Direct mount
Rear Derailleur Shimano Deore XT Shadow + SGS M786
Crankset E*13 TRS+ Bash/34/24
Cassette Shimano CS-M771-10 Deore XT, 11-13-15-17-19-21-24-28-32-36T
Handlebar Ibis Hi-Fi Carbon Bar, 740mm, 20mm rise, 9 deg x 5 deg bend
Stem Ibis 3D forged
Saddle Ibis Custom Saddle, CrMo rails
Seatpost Ibis 31.6 x 350mm, AL-7075

Note: Components are subject to change without notice.

Size Small Medium Large X-Large
Seat Tube Length 15" 17" 19" 21"
Effective Top Tube Length 564mm 587mm 604.5mm 625mm
Head Tube Length 94mm 103mm 118mm 134mm
Seat Angle 71.1° 71.1° 71.1° 71.1°
Head Angle 67.1° 67.1° 67.1° 67.1°
Wheel Base 1098mm 1119mm 1140mm 1161mm
Chain Stay Length 435mm 435mm 435mm 435mm
Standover Height 28.1" 29.8" 29.9" 30.3"
Stack 571mm 580mm 595mm 610mm
Reach 371mm 388mm 409mm 418mm
Sizing 5'0" - 5'5" 5'4" - 5'9" 5'9" - 6'2" 6' - 6'6"

Check out employee reviews of the Mojo 650b from our recent Ibis Demo Day here!


by PowerReviews
Ibis BicyclesIbis Mojo HDR 650B XT Bike

(based on 1 review)

Ratings Distribution

  • 5 Stars



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  • 1 Stars



Reviewed by 1 customer

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Pleasure to ride

By Telejo

from Bend, OR

About Me Avid Cyclist

Verified Reviewer


  • Durable
  • Easy Climbing
  • Lightweight
  • Versatile


    Best Uses

    • Descender
    • Mountain Biking
    • Trail Bike

    Comments about Ibis Bicycles Ibis Mojo HDR 650B XT Bike:

    Rented and road this bike on the McKenzie River Trail in Oregon. The upper trail is super technical and so I wanted a larger wheels and slacker geometry than those on my 26" Yeti AR XC bike. The Ibis HDR performed superbly. Given this trail is mostly downhill, I didn't mind the heavier bike when renting. To my surprise, on the uphill sections, the bike climbed exceptionally well and felt light. The ease of rolling over uphill and oblique obstacles was something I hadn't experienced before and would like to again. I am 5'4" tall and had to rent a medium frame (which is the absolute minimum height), I would have prefered a small frame as the bike felt big going around tight corners. I could just stand over the bike which also wasn't ideal.

    • Cycling Style:
    • Speed Oriented
    • Was this a gift?:
    • No

    Displaying review 1

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    Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

    Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.