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The Evo, Chumba’s six-inch-travel hard-hitting all-mountain machine, can charge through anything you can throw at it.

The Evo boasts an original looking frame design and big dropping freeride abilities with a well balanced ride. It demonstrates the effectiveness of the Chumba’s race program which they say feeds into the geometry and success of every bike they make today.
Ride & handling: made to soar

The Chumba is a freeride mustang. Its short cockpit and over built head tube gusset exude strength. The 14.25in bottom bracket height means it rides quite high, but this doesn’t impact its handling. The peddling of any bike with 6 inches of travel remains sloppy compaired to crosscountry designs, but the Evo is by far one of the better bikes to peddle.

It’s when airborne that you realize the true heart of this bike. The work that’s gone into the positioning the pivots and weight distribution makes perfect sense. It’s agile in the air and stable to land, it feels like it doesn’t want to be on the ground.
The Chumba really impressed us with its aerial feel and great ride feel, but we think it should stick to being a freeride bike.

The Frame with its clean cylindrical tubing and neat gussets are a good change from all the swoops and bends from other manufactures. Suspending the Evo’s frame is a four-bar system, which uses an unusually long swing-link that pivots from the down tube and meets with the seatstays halfway up the seat tube. The kinked seat tube means there’s limited seat adjustment, but it does allow a reasonable seat angle for climbing.

The Fox DHX Air shock is sitting fairly high on the frame, it doesn’t seem to have a negitive effect on the handling. We Thought is was going to be top heavy, but it was the opposite. It was surprisingly stable, largely because all the weighty parts sit directly under the rider in the middle of the chassis.
Equipment:

+ Made from 6061 T-6 Aluminum
+ Available in Metallic Green, Midst Blue, Candy Red Chrome, Anodized Black
+ Equipped with a Fox DHX Air 5.0 7.875×2.0
+ Frame Weight 7.8 lbs without shock (Medium)
+ Available in medium and large sizes
+ Wider diameter Enduro bearings for exceptional reliability and durability
+ E-type derailleur insert to allow use of wider diameter tubing for a stronger and stiffer front triangle
+ Dual Bearings front and rear rocker pivot points
+ Beefy Rockers, on average over 20% wider than our competitors
+ Open Gussets, so stress impact is more evenly distributed
+ Integrated Stiffening Rib, the rib reinforces the compression yoke and adds torsional rigidity
+ Inverted Extra Wide Bottom Bracket Shell, for increased strength and rigidity of the rear triangle
+ Neutral braking: CHUMBA frames are active under braking forces to ensure excellent traction throughout all terrain during your descent
+ Efficient pedaling: Axle paths and shock rates configured to eliminate pedal bob and squat – ensuring pedaling power hits the ground
+ Minimal chain growth eliminates pedal feedback

Components:

Specification
Fork Fox 36 Talas RC2
Stem FSA Gravity Light
Seat Post FSA Gravity Light
Cassette SRAM PG-970 11-34
Shifters SRAM X.9 Trigger
Chain SRAM PC951
Handlebar FSA Gravity Carbon
Brakes Avid Juicy 7 185mm
Wheels DT Swiss 340 w/ 5.1 Rim
Saddle CHUMBA
Grips CHUMBA Lock-ons
Tires Kenda Tomac Nevegal 2.35
Crankset Shimano XT
Headset FSA Orbit X
Front Derailleur Shimano XT E-TYpe
Rear Derailleur SRAM X.9
Seat Collar CHUMBA QR

All this weighs in at just 15.4kg (34lb).