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PUREBRED ENDURO MACHINE.
Developed for the most demanding courses of the professional enduro circuit, the Ibis Mojo HD4 Carbon Mountain Bike Frame marks a stark departure from the previous Mojo HD3 with its long, slack geometry paired with a piggyback shock that’s tuned with greater progression to keep you from bottoming out. This reconfigured geometry and progressive shock tune is driven by the needs of the Ibis Enduro Race Team competing on the world’s most demanding stages, as opposed to the previous Mojo HD3, which focused more on agility and playfulness over all-out speed.
Delving into the Mojo HD4’s revised geometry, you’ll find it’s not just a bit longer, it’s actually much longer than before, with the medium through large frames sporting reach numbers that are longer than the previous HD3’s large and extra-large figures, respectively (small frames get an increase in reach, it’s just not as drastic). These longer figures also translate to the HD4’s wheelbase, which has grown considerably to offer higher levels of confidence when you’re pushing the bike to the absolute limit on blistering-fast downhills. For actual wheelbase figures, the HD4 is anywhere from about an inch longer in its smallest size to over two inches longer for the extra-large frame. This is helpful for riders who previously sized up on the Mojo HD3, due to its shorter overall length and reach figures.
Not only is the Mojo HD4 much longer than the previous HD3, but it’s also much slacker for greater stability when you’re plunging into formidable downhill sections. Ibis played around with different head tube angles until they settled on 64.9 degrees, which they claim offers greater downhill stability and higher lean angles before it loses traction. The second part is especially important for riding on trails and race courses with tricky off-camber sections, as the slacker head tube angle keeps the bike planted to the trail, instead of plunging down the fall line or slipping off precipitous edges.
Looking at the Mojo HD4’s suspension, it’s no surprise that Ibis retains the praised kinematics of the DW-Link platform, namely its ability to pedal efficiently with anti-squat characteristics paired with a linear feel for a smooth, predictable ride. Benefiting from continuous research and design, the Mojo HD4’s upper and lower links are 30 and 40 percent stiffer, making it all the more competent over rugged trails. Travel increases by the tiniest bit, from the previous 150 to 153-millimeters. Furthermore, the Mojo HD4 is now designed around piggyback shocks while still fitting a 22-ounce water bottle in the frame. The included Fox Float DPX2 is tuned for greater end-stroke progression, preventing the Mojo HD4 from bottoming out when you’re rallying across gut-spilling rock gardens and sending bigger hits.
We’d be remiss to forget mentioning the meticulously engineered carbon frame of the Mojo HD4, which benefits from Ibis’ one-piece carbon lay-up, resulting in a lighter and stronger frame with high levels of stiffness. Each frame is optimized to fit longer dropper posts than before, with the small frame accepting 150 millimeter droppers, while the medium and larger frames readily accept 170-millimeter sizes. As you’d expect from a bike of this caliber both internal cable and dropper cable routing clean up its overall aesthetic, meaning you’ll be able to focus on its aggressive stance and striking paint without being distracted by messy cables. Other notable features include the ability to clear high volume tires up to 2.8 inches, BOOST axle spacing for stiff and precise wheel tracking, as well as Ibis’ choice to stick with a threaded bottom bracket to keep creaking at bay.
- Purebred for enduro racing with longer, slacker geometry
- Longer reach and wheelbase figures, so you don’t have to size up
- 64.9-degree head tube for high-speed composure on steep downhills
- 6in of DW-Link suspension boasts anti-squat efficiency and linear feel
- Fox Float DPX2 shock with greater progression to avoid bottoming out
- Refined carbon frame is lightweight, strong, and impressively stiff
- Accommodates longer droppers: 150mm for small, 170mm for medium-XL
- BOOST axle spacing increases wheel stiffness and clears 2.8in tires
|Rider Height||Suggested Mountain Frame Size|
|Feet & Inches||Centimetres||Frame Size (inches)||Frame Size (cm)||Frame Size|
|4'10" - 5'2"||148cm - 158cm||13" - 14"||33 - 37||View all X-Small Bikes|
|5'2" - 5'6"||158cm - 168cm||15" - 16"||38 - 42||View all Small Bikes|
|5'6" - 5' 10"||168cm - 178cm||17" - 18"||43 - 47||View all Medium Bikes|
|5'10" - 6'1"||178cm - 185cm||19" - 20"||48 - 52||View all Large Bikes|
|6'1" - 6'4"||185cm - 193cm||21" - 22"||53 - 57||View all X-Large Bikes|
|6'4" - 6'6"||193cm - 198cm||23" - 24"||58 - 61||View all XX-Large Bikes|
Large, Medium, Small, X-Large
Acid Red, Anthracite Black