At first glance, the new Ibis Mojo 4 doesn’t look all that different than the outgoing Mojo 3. But look closer, and you’ll notice a number of updates that should only serve to enhance Ibis’ Mojo.
Improved cable routing
The cable routing on the new Ibis Ripley with its in-frame molded cable tunnels is pretty magical – which is exactly why you find it on the new Mojo 4 as well. Thanks to the captured tunnels, running new housing or brake lines is as simple as pushing it through the frame and it popping out the other end.
The rear derailleur housing pops out in front of the bottom bracket, and tucks into the chainstay just behind it. Same for the rear brake hose on the other side of the frame, with the routing following the beautiful lines of the bike and staying out of harm’s way.
While it may look similar, the carbon frame is all new with new geometry and improved dropper seat post clearance. On medium through extra large frames, you’ll be able to fit 170mm+ dropper posts. Smaller riders still get more room, but you’ll be able to run a 125-150mm dropper post on the small frames.
Geometry
Still offered in four sizes and rolling on 27.5″ wheels, the Mojo 4 gets quite a bit slacker with a 65.4° head tube angle, and steeper at the seat tube angle with 76.6°. That slack head tube angle is coupled with a 37mm fork offset for the 140mm travel suspension forks. Rear travel remains set at 130mm of dw-link goodness with Traction Tune.
New Lower Link
A completely new rear triangle includes a revised Ripmo-Style lower link with IGUS bushings for increased durability and lower maintenance. A small bolt-on flipper above the link will help keep junk out of the gap between the front and rear triangle, and metal plate at the upper link shields the carbon. The upper link also relies on bearings for rotation since Ibis claims they’re better utilized here rather than the lower link with IGUS bushings (which also include a lifetime replacement warranty).
Frame Details
Additional frame details include a BSA 73mm threaded bottom bracket shell with a removable ISCG 05 adapter plate, polycarbonate downtube protector with molded rubber swing arm protectors, Boost spacing, a tapered ZS44/ZS56 head tube, a 1x specific design. Note that Ibis now states the Mojo has a 27.5 x 2.6″ tire clearance – that’s slightly smaller than the previous 2.8″ claim, but as tire and rim sizes continue to vary widely, frame manufactures are being more conservative with their claims. Oh, and since you need water – the frames will fit a 22oz bottle inside the front triangle.
The frame is also compatible with their Porkchop bag as well to carry snacks. Or tools.
When built with a Metric 210 x 55 Fox DPS shock, the Mojo 4 has a claimed weight of 5.9lbs, and complete builds start at 26.7lbs.
Builds, Pricing, and availability
Available in Dirty Whiteboard or Blue Dream, complete builds will start at $4,499 while frame only with the Fox DPS shock will retail for $2,999. Frames include a 7 year warranty with a lifetime warranty on replacement bushings. Available now.
Details
• Slack 65.4 degree head angle
• 37mm fork offset
• Steep 76.7 degree seat tube angle
• Threaded BB (73mm BSA)
• ISCG 05 compatible with removable adapter
• In-frame molded cable tunnels
• 22oz bottles fit inside front triangle
• Size M-XL compatible with 170mm+ droppers, 125-150mm for smalls
• Polycarbonate downtube protector and molded rubber swing arm protectors
• IGUS bushings in lower link, bearings in upper link
• Metric 210×55 shock
• 203mm max rotor size
• 1x specific design
• Boost spacing
• Tapered headtube and steerer: ZS44 upper, ZS56 lower
