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Ibis Mojo HDR 650B X01 Bike

Item #: BI227B00
Availability Please make a selection
Quantity   Out of stock.

Photo is for illustration purposes only. Photo shown is the XX1 build, you will be shipped a bike with the X01 build (details of build listed below).

Ibis Mojo HDR 650b X01 Bike

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.

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.

The Ibis Mojo HDR X01 build is all about simple efficiency. The rock solid SRAM X01 1x11 drivetrain saves weight and simplifies the drivetrain while maintaining a wide 32t x 10-42t mountain bike gearing range. X01 is technically a step down from SRAM's premier XX1 group, but features many of the same benefits with only a small weight penalty and a few cost-conscious material choices. An E*Thirteen TRS+ 32t crank delivers plenty of pedaling power and Shimano XT hydraulic brakes give you all the braking power need to stop on a dime or modulate technical sections of the trail. A Fox Float 34 CTD 140mm travel fork handles suspension duties up front while a Fox Float CTD Adjust Factory Series keeps everything dialed and plush in the rear. The rock solid Stan's Rapid 650b wheelset ensures that your spinning smoothly and efficiently and Pacenti Neo-Moto 2.3 provide excellent speed and grip that's made them the go-to choice for many 650b riders. Ibis rounds out the Mojo HDR X01 build with a Ibis branded cockpit.


  • 27.5" (650b) Wheels
  • 1x11 SRAM X01 Drivetrain
  • Shimano XT BR-M615 hydraulic disc brakes
  • dw-link Suspension Technology
  • 130mm of rear wheel travel
  • ISCG 05 compatible
  • 67.1 degree head angle with a 140mm fork
  • Optional polycarbonate down tube cable guard
  • 12 x 142mm Maxle rear axle
  • 160mm post mount left dropout, carbon fiber
  • Tapered Head Tube and Steerer
  • Compatible with Chris King InSet 3 headsets
  • Up to 2.35" rear tire depending on brand and height of cornering knobs
  • Dual row angular contact bearings in the front of the lower link
  • Large 28mm x 15mm x 7mm radial bearings in the rear for stiffness and long wear
  • Cable routing for dropper seatposts
  • Direct mount front derailleur
  • Fits up to 200mm diameter rear rotor

Shared Measurements (across sizes):

  • Seatpost Diameter: 31.6mm
  • Front Derailleur: 34.9mm
  • Headset: Mixed Tapered (Mixed Tapered (1.5" EC49 lower, 1.125" ZS44 upper)
  • Bottom Bracket: 68mm (BSA) English Thread
  • Chainline: 50mm
  • Trail: 100mm
  • Axle to Crown geometry is based on 534.4mm

Frame Ibis Mojo HDR 27.5"
Fork 2014 Fox Float 34 CTD 27.5 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 Rapid 650b Rim 32h Black, w/ Speed Tuned XM hubs
Tires Pacenti Neo-Moto 2.3
Brakes Shimano XT BR-M615 hydraulic disc, 180mm front, 160mm rear
Brake Levers Shimano XT M615
Shifters SRAM SL Trigger X01, 11 speed
Front Derailleur N/A
Rear Derailleur SRAM X01, 11 speed
Crankset E*Thirteen TRS+ w/ 32t Guidering
Cassette SRAM XG1195 10-42t
Handlebar Ibis 31.8 AL-7075 T6, 4x9 deg bend, 710mm wide, 270g
Stem Ibis 3D forged
Grips ESI Silicone grips
Saddle Ibis Custom Saddle, CrMo rails
Seatpost Ibis 31.6 x 350mm, AL-7075, 220g

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 X01 Bike

(based on 1 review)

Ratings Distribution

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


King of the Trails

By Big Ray

from Redlands CA

About Me Avid Cyclist

Staff Reviewer


  • Durable
  • Lightweight
  • Nimble
  • Plush
  • Quick


    Best Uses

    • Enduro
    • Extreme Sports
    • Mountain Biking
    • Trail riding

    Comments about Ibis Bicycles Ibis Mojo HDR 650B X01 Bike:

    Great trail bike the FOX suspension is so plush. Handles Great on sharp turns and rocky sections. The 1X11 set up is where every bike needs to be. Sram has killed the front derailleur and I rode this bike to the funeral.

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

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    Free Shipping Offer

    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.