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Santa Cruz Bicycles Bronson Carbon XTR ENVE Complete Mountain Bike

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Item # SNZ0352

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Item # SNZ0352

Description

The height of mountain bike development.

What you're looking at is quite possibly one of the most expensive turn-key mountain bikes that we've ever carried. This is not only due to the 150mm-travel Bronson Carbon being the first meticulously designed, and expertly crafted mid-wheel from the house of Santa Cruz, but also due to its impeccable Shimano XTR/ENVE Complete Mountain Bike package. However, you'll gladly find that every detail of this build has been meticulously selected from mountain innovators like Shimano, FOX, and ENVE.

Furthermore, it's furnished with a RockShox Reverb Stealth for super-clean lines, an ultralight WTB Volt SLT Ti saddle, 711mm-wide Haven carbon bars, and Maxxis High Roller 2 EXO tires. With this kit, the Bronson Carbon represents the zenith of self-propelled locomotion for off-road adventures. And that exceptional title wouldn't be at all justified if Santa Cruz had taken the low road and simply modified a current chassis to accept 27.5 inch wheels.

Think of it this way, by changing a wheel size, a vehicle's geometry is drastically upset. Take a look at motor sport, where modifying vehicles for competition, whether it's for the track or off-road, involves different size wheels and major suspension changes. If we take a quick moment to look at the numbers that Santa Cruz settled on with the Bronson, and compare them to some of its stable mates, it becomes clear that Santa Cruz did its homework -- probably some extra credit, too.

For example, a Nomad, theoretically, riding on 27.5in wheels would have a ridiculously high 14.75 inch bottom bracket and a stand-over height exceeding 30 inches. Unless you're all legs, your boys are going to have a bad time, not to mention that it'd handle like a double-decker bus. The Bronson, on the other hand, has a 13.6 inch bottom bracket height. That's lower than the current carbon Nomad (14in), nearly matching the Blur LT (13.8in), and only a fraction of an inch higher than the Tallboy LT (13.4in).

This means that the Bronson places you nicely situated in relation to the rolling stock's axle height, and for handling characteristics that're happily removed from the top-heavy feeling of 26ers. All the while, this characteristic is encroaching on the inclusive sensation which put 29ers on the map. At 28.8 inches, its stand-over height is also lower than all of those bikes, and the sweetness doesn't stop there, either. Another key measurement is chainstay length, and the Bronson measures in at a highly respectable 17.3 inches.

This is slightly shorter than the Nomad, a half inch shorter than the Tallboy LT, and only a fraction of an inch longer than the Blur LT. When all of these geometry values are accounted for, it's pretty obvious why the Bronson is the Syndicate's first choice for the 2013 Enduro World Series. Geometry, however, is only half of the Bronson's picture. In fact, pulling it all together is Santa Cruz's carbon expertise and VPP suspension.

The Bronson uses a one-piece, continuous fiber lay-up, as opposed to assembling joints, which doesn't require bonding, wrapping, or rivets. And because this process allows continuous interlocking fibers to wrap between tubes, the resulting structure distributes loads and absorbs impact energy better than its counterparts. As a result, Santa Cruz has eliminated any excess material from the frame. And as you might imagine, this is a costly process, because each frame size requires dedicated tooling.

This allows Santa Cruz to control the outside shape, the inside shape, and to compact the fibers during lay-up for the individual requirements to each frame size. As pointed out previously, this isn't a chassis that's shared with any other carbon Santa Cruz. The VPP rear-suspension, on the other hand, is a common association.

The Bronson utilizes Santa Cruz's patented, counter-rotating shock links in order to allow for a variable feel throughout the suspension travel. When sag is set correctly, the Bronson is extremely responsive to small- and medium-sized bumps. And for larger hits that push it deeper into its travel, it becomes more stubborn -- a necessity to avoid harsh bottom-out. It's also a crisp, efficient pedaler, even in the small chainring.

Rear motion is handled by a lightweight, and custom-tuned, FOX FLOAT CTD with Kashima coating. Its three-position Climb, Trail, and Descend lever lets you select an appropriate amount of platform damping for the terrain that you're riding. Meanwhile, the front end of the Bronson complements that shock with a 150mm travel FOX 34 FLOAT CTD with Kashima as well. It's equipped with a 15mm through axle, and there's also a 142 x 12mm axle at the rear.

One of the biggest contributing factors to this bikes impressive price, and the drool factor, is ENVE's AM Wheelset. The wheels are comprised of DT Swiss 240 hubs with the ultralight, and unarguably stiff, ENVE AM carbon rims. This combination, along with a slew of patented production processes, allows ENVE wheels to boast the highest strength-to-weight ratio on the market. And to case the wheels, Santa Cruz employed the fast-rolling Maxxis High Roller 2 EXO Tubeless Tires with a meaty 2.3 inch width.

Turning the rear wheel is a Shimano XTR Trail crankset with 26 and 38 tooth chainrings. This joins an XTR 11-36 tooth cassette through a 10-speed CN-M980 chain. Controlling the XTR front and rear derailleurs is a set of XTR shifters. They share handlebar real estate with the powerful XTR trail brakes, which have been spec'd with a 180mm front and a 160mm rear IceTech rotors. Rounding out the cockpit are the Easton Haven Carbon handlebars, which are supported by a Thomson X4 stem.

The Santa Cruz Bronson Carbon XTR ENVE Complete Mountain Bike is available in four sizes from Small to X-Large and in the colors Gloss Black/Blue and Gloss Grey/Blue with a variety of options for the ENVE graphics.

Tech Specs

Frame Material:
carbon fiber
Suspension:
VPP
Rear Shock:
FOX FLOAT CTD Adjust Kashima
Rear Travel:
150 mm
Fork:
FOX 34 FLOAT CTD Adjust Kashima
Front Travel:
150 mm
Headset:
Cane Creek 110 Mixed Tapered
Shifters:
Shimano XTR M980
Front Derailleur:
Shimano XTR M986
Rear Derailleur:
Shimano XTR M986 Shadow+
Crankset:
26/38 t Shimano XTR Trail M980
Bottom Bracket:
Shimano XTR
ISCG Tabs:
ISCG 05
Pedals:
not included
Cassette:
11-36 t Shimano XTR M980 10-speed
Chain:
Shimano CN-M980
Brake Set:
Shimano XTR Trail
Rotors:
[front] 180 mm Shimano Ice Tech, [rear] 160 mm Shimano Ice Tech
Handlebar:
Easton Haven Carbon
Handlebar Width:
711 mm
Handlebar Rise:
low
Grips:
Lizard Skin Peaty lock on
Stem:
Thomson X4
Saddle:
WTB Volt SLT Ti
Seatpost:
RockShox Reverb Stealth
Seat Collar:
34.9 mm Santa Cruz non-QR
Hubs:
DT Swiss 240s
Rims:
ENVE AM 27.5
Spokes:
DT Swiss Double Butted
Axles:
[front] 15mm QR, [rear] 142x12mm thru-axle
Tires:
Maxxis High Roller 2 EXO Tubeless
Tire Size:
27.5 x 2.3 in
Recommended Use:
all-mountain and trail riding
Manufacturer Warranty:
5 years on frame

Geometry chart

Santa Cruz Bicycles

Geometry Chart

 

Bronson
 Seat Tube
(c-t)
Effective Top TubeStackReachStand OverHead Tube LengthHead Tube AngleSeat Tube AngleBottom Bracket HeightChainstayWheelbase
S 16.0in 21.8in 23.0in 14.8in 28.5in 3.5in 67.0o 73.0o 13.6in 17.3in 43.6in
M 17.0in 23.0in 23.4in 15.9in 28.4in 3.9in 67.0o 73.0o 13.6in 17.3in 44.8in
L 18.5in 24.0in 23.4in 16.9in 28.8in 3.9in 67.0o 73.0o 13.6in 17.3in 45.9in
XL 20.0in 25.0in 24.1in 17.6in 29.9in 4.7in 67.0o 73.0o 13.6in 17.3in 46.9in

Santa Cruz Bronson Geometry Chart

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Here's what others have to say...

Can this be ordered with a different...

Can this be ordered with a different drivetrain or without one? I need a size L in carbon matte. Thx

Responded on

We do offer build options other than this one, currently we are waiting on the new 2015 stock of Bronson frames to come in. With our custom builder you are able to select exactly what components you want your bike to come with. If you would like a quote on a custom build please feel free to contact me personally at bcrum@backcountry.com

5 5

This is the BOMB

  • Gender: Male
  • Familiarity: I've put it through the wringer

So, I spend time on my Bronson, a BMC team elite and a couple different Time road bikes. Best ride, bar none, is the Bronson. I'm not setting any personal best times on the climb, but my happiness quotient is always maxed, and I am shredding the downhills. Don't get me wrong--the bike does climb well, just not as well as a hardtail that weighs 5 pounds less, although when you hit some real technical stuff, the Bronson seems to iron it out like a dress shirt. As long as you supply constant power, this bike will crush almost anything. When you're ready to point the bike downhill, wow. It flies. I'm not a downhill rider, but the Bronson's pretty much a magic carpet on the way down. And I have to give props to Santa Cruz for making the best looking bike ever. With Enve everything and full XTR . . . WOW. I mean, roadies in the shop have to drool (and they do). Killer bike; if you can afford it, there's no buyer's remorse.

5 5

Super fast, fun bike!

  • Familiarity: I've put it through the wringer

Bought this bike December 2013, in anticipation of getting back into mountain biking after years on the road. Call it a birthday present to me.

I considered the various shapes and sizes. I've owned numerous mountain bikes over the years. From several years prior, I had memories of feeling like my Turner 29er felt like a cruise liner trying to navigate switchbacks, but i also remembered how it handled obstacles on the straightaway. I'm 6'4", so I knew it had to be 29" or 27.5".

I read about the Bronson on a couple review sites. It sounded intriguing. I bought one, and I have not been disappointed. First of all, the bike looks killer. I opted for the black and orange Halloween surprise. It gets plenty of attention (although not as much as the tennis ball special, no doubt). More importantly, the bike flies. The suspension is tight on the climbs and the descents. I don't bother making any adjustments. All in, I love it; this bike has made a mountain biker out of me once again. I'm leaning towards taking this bad boy to Leadville this year. I think it will do just fine.