Bronson 2.0 Carbon CC XX1 Eagle ENVE Mountain Bike - 2017
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Perusing the pages of a cycling dictionary for "Dream Bike" would bring you to the 2017 Santa Cruz Bronson 2.0 Carbon CC XX1 Eagle ENVE Complete Mountain Bike. The 2.0 release saw the Bronson take on a leaner, meaner stance in the high court of dirt. Add in SRAM's groundbreaking 12-speed XX1 Eagle drivetrain and enviously rad ENVE M60 Forty hoops, and this is a bike that will turn heads whether you're charging big drops and blazing runs or hanging at the trailhead recovering from a day of laps.
Compared to the old Bronson's all-mountain geometry, the 2.0's most impressive alteration is the head tube, which slacks out from 67 to 66 degrees. This change is complemented with a corresponding increase in top tube length, a lower bottom bracket, and a raised lower link—a combination that allows for short-stemmed, strike-free, point-and-click confidence while traversing lines and dropping steps that would cause even the previous Bronson to hesitate. It also effectively erases root lattices and moderates rock gutters, letting you mash across terrain that trail, XC, and even other all-mountain bikes have to pick through with delicate care.
Conversely, the Bronson 2.0's seat tube gets steeper by almost a full degree in order to better position its rider over the cranks. The revised geometry keeps you on top of the pedal stroke, and relocated links allow for shorter chainstays, which makes for more efficient power transfer. The back end is further stiffened with 12 x 148mm Boost axle spacing, ensuring that the extra watts produced by the improved pedaling position and shorter chainstays aren't lost to wheel flex. Despite its slacker head tube and longer geometry, these back end tweaks help the Bronson 2.0 pop over cruxes and maintain speed across hardpack.
The Bronson 2.0's VPP suspension system represents the third update to Santa Cruz's classic design. Where the old suspension curve described a deep "U," the new VPP's curve resembles a flattened check mark, with less dramatic ramping on either end of the arc. The results are that, during the initial stroke, VPP boasts increased small bump compliance to keep the tires glued to the trail for more traction while climbing across lumpy trails and root lattices. It also maintains its predecessor's firm feel during accelerations while jockeying for position in a mass start or a finishing sprint. The ramp-up arc doesn't dramatically alter as the shock compresses, so the pedaling platform stays consistent across travel, with less wallowing, bob, and bottom-outs—even when the bottom link activates and the axle's path turns rearward to absorb big hits in the deep end of the travel pool.
For all the changes listed above, the Bronson 2.0 Carbon CC's construction remains the same. As with previous Carbon CC frames, the Bronson 2.0 Carbon CC requires less material to hit Santa Cruz's stiffness targets without sacrificing any of the responsiveness of the less expensive, heavier Carbon C models.
Both triangles are constructed as whole, monocoque pieces, which also contributes to keeping weight low because the carbon can be wrapped through junctures and around joints. This eliminates the artificial weak points of bonded frames and actually requires less material in the process. While it's being cured, the frame is compacted from inside and out. This final step eliminates excess material and resin pooling, resulting in more structural integrity and, of course, additional weight savings.
Details
- An all-mountain dream bike built for enduro abuse
- Six inches of responsive VPP suspension
- Longer, slacker geometry handles bigger lines
- Carbon CC construction blends low weight and stiff efficiency
- Boost hubs up the stiffness factor even more
- SRAM's top-tier XX1 Eagle drivetrain actually makes us drool
- ENVE carbon wheels cap off a superlative build kit
- Santa Cruz Bicycles pushes the boundaries of frame evolution
- Item #SNZ00AK
- Frame Material
- Carbon CC
- Suspension
- VPP
- Rear Shock
- Rock Shox Monarch Plus RC3
- Rear Travel
- 150mm
- Fork
- Rock Shox Pike RCT3 150 Solo Air
- Front Travel
- 150mm
- Headset
- Cane Creek 110 series tapered, cartridge bearing
- Shifters
- SRAM XX1 Eagle
- Front Derailleur
- n/a
- Rear Derailleur
- SRAM XX1 Eagle
- Crankset
- 32 t SRAM XX1 Eagle
- Bottom Bracket
- 73mm threaded
- Cassette
- 10 - 50t SRAM XG 1295
- Chain
- SRAM XX1 Eagle Powerlock
- Brakeset
- SRAM Guide Ultimate
- Brake Type
- hydraulic disc
- Rotors
- 180mm Avid Centerline
- Handlebar
- Santa Cruz Carbon 800mm Bar, 35mm clamp
- Handlebar Width
- 800mm
- Grips
- Santa Cruz Palmdale lock-on
- Stem
- Race Face Turbine R, 35mm
- Saddle
- WTB Silverado SLT
- Seatpost
- [small] Rock Shox Reverb Stealth 125mm travel, [medium, large] Rock Shox Reverb Stealth 150mm travel, [extra-large] Rock Shox Reverb Stealth 170mm travel
- Seatpost Diameter
- 31.6mm
- Wheelset
- ENVE M60 Forty
- Hubs
- Industry Nine Torch
- Front Axle
- 15 x 110mm Boost
- Rear Axle
- 12 x 148mm Boost
- Tires
- [front] Maxxis Minion DHF EXO TR, [rear] Maxxis Minion DHR2 TR
- Tire Size
- [front] 27.5 x 2.3in, [rear] 27.5 x 2.3in
- Recommended Use
- all-mountain, emduro
- Manufacturer Warranty
- lifetime on frame
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