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When the Mojo went on a diet to become the Mojo SL, it proved Ibis isn't one to rest on successes. This is an important statement to make for a company that, despite its rich mountain bike history, is still a relatively new player in the modern mountain bike market. Now, The Mojo SL has evolved even further into the Mojo SL-R. It's leaner and meaner -- and we've stuck to its purpose-built XC intentions by dressing it in our SRAM X0-X9 Complete Bike build kit.

The Mojo SL-R uses a new molding process to shave a third of a pound from the weight of the SL. A size large frameset with the Fox RP23 rear shock weighs just under five pounds, and our sources at Ibis tell us that it's nearly as stiff as the Mojo HD frame. This is an understated way to say that the SL-R possesses a remarkable stiffness/weight ratio. The stiffer frame will steer better and allow more accurate tuning of the front and rear suspension. 

The 140mm rear suspension design stays largely the same. The dw-link controlled movement provides an optimal blend of all-mountain suspension characteristics. One of the most notable traits is its natural anti-squat tendency. The position of the linkages creates resistance in the suspension to the rearward transfer of mass and subsequent compression (squat) of the rear end as you stomp the pedals and accelerate.

This anti-squat transfers your pedal input into forward motion instead of "monkey motion." According to Dave Weagle, the dw-link creator, the anti-squat properties built into the Mojo SL-R rear suspension allow Ibis to use a more lightly damped shock, which translates into greater bump sensitivity, traction, and control in all trail situations. The Mojo SL-R has that 'buttery smooth' feel of a coil spring without the weight penalty. With the dw-link, the chainstay length increase is minimal and occurs at a constant and smooth rate. Pedal feedback as the suspension cycles is nominal and doesn't markedly change from the small to the big ring.

Out back, Ibis specs the latest Fox RP23 rear shock with Kashima Coat and Adaptive Logic Boost Valve. Just like its effect on the front forks, Kashima Coat creates a slicker, more durable finish on the shock shaft. This allows the rear suspension to respond to bump input with greater sensitivity. Up front, we've followed suit with a Float 140 CTD.

Like the Mojo SL-R's 142mm rear thru axle, the fork is equipped with a QR15 axle. This provides a stiffer wheel/dropout interface so the Easton EA70 XCT wheels can perform to their full potential. The wheels ships with tubes installed, but are tubeless ready for future upgrading. Dual compound, 2.25in Schwalbe Rocket Ron tires provide an ideal mix of low rolling resistance with good traction in a variety of conditions.

SRAM gets the nod for drivetrain duty on this build, covering the cranks and rear derailleur with X0 components, while leaving X9 to cover the shifters and front derailleur. A SRAM PG-1050 11- 36T cassette and PG-1051 chain complete the picture. For stopping, four piston X0 Trail brakes ensure there's power to spare.

For the cockpit, an Easton EA70 stem, handlebars, and seatpost with a Selle Italia saddle keep weight low while providing comfort-enhancing ergonomics. The Ibis Mojo SL-R/SRAM X0-X9 Complete Bike comes in sizes Small through X-Large and two colors; DB5 Silver and Matte Clear/Blue.

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