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Santa Cruz Bicycles Bronson Mountain Bike Frame - 2015

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Item # SNZ002M

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  • Satin Black/Magenta - Monarch RT, XL ($1,619.99)
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Not-so-heavy metal.

On paper, 27.5-inch wheels make lots of sense, but it took a few seasons for them to find their place in the mountain biking landscape. We’ve mused plenty on their ideal blend of characteristics, relative to their 26” and 29” siblings, but here, in the Santa Cruz Bicycles Bronson Mountain Bike Frame, is arguably where this balance finds its finest manifestation, evidenced by the repeated success of the Bronson under the Santa Cruz Syndicate race team and countless other racers topping podiums in multiple disciplines. Now, for 2015, the Bronson gets some new colors, but it's otherwise an identical machine to the 2014 version.

At the heart of the Bronson is a highly refined VPP suspension platform that's been optimized for mid-sized wheels. It's a suspension platform that's widely beloved among riders in-the-know for its blend of pedaling efficiency and trail-erasing smoothness. VPP employs two aluminum counter-rotating links to achieve this balance. But, you may be wondering how it works? Well, the upper-link provides most of the rotation as the bike compresses into the sag point. This yields a vertical wheel path, which you'll notice in the form of a firm feel during acceleration. As the bike compresses deeper into the suspension, the lower-link activates, moving the axle path rearward. The rearward axle path enables the rear wheel to travel out of the way of impacts. So, the ride remains smooth, not jarring. You'll also find the same collet-style pivot hardware that's become standard for Santa Cruz's suspension bikes. This means that your pivots stay tight and are easily serviceable at home if ever necessary.

Certainly, the carbon fiber version of the Bronson delivers the model's purest performance, but the alloy version here showcases the latest and greatest of Santa Cruz's expertise in the manipulation of aluminum, delivering a frame that's only slightly heavier than its fibrous friend. Butted and hydroformed tubes take optimized shapes that came to be as the result of countless test-riding hours and computer model simulation, resulting in, among other things, excellent standover height and a tapered head tube for steering precision. On the whole, handling and lateral stiffness are superb. Were it not for the scales or the ring from the flick of your fingernail, you'd likely never notice that this here Bronson is born from metal.

The squishy bits are part of the reason, too. The rear shock is FOX's FLOAT CTD unit, featuring the ultra-durable Kashima coating. While the distinctive gold color is eye-catching, the Kashima coating's true benefit is that it's both harder and smoother than standard slider coatings. This equates to a longer wear life, as well as smoother suspension action. FOX's CTD adjustment scheme makes it easy to find your perfect setting, whether you change settings dozens of times a ride, or just set it and forget it. With a nearly locked-out feel, Climb mode provides the most damping. However, it still provides a bit of cushion for unexpected hard hits. Meanwhile, click the damper into the Trail mode, and there's ample low-speed compression in order to keep the bike riding high in the travel, great for just cruising along in most conditions. Lastly, Descend mode provides the lightest compression damping for a plush ride, ideal when you want to let 'er rip.

The Bronson utilizes a 44/56mm headset for compatibility with tapered forks. The rear dropouts accept a 142x12mm thru-axle rear hub, which keeps the frame stiff under power. The 73mm English threaded bottom bracket shell ensures a creak-free crankset and easy service. The frame requires a 30.9mm seatpost and a 34.9 front derailleur, and it's only compatible with 27.5-inch (650b) wheels.

The 2015 Santa Cruz Bronson Mountain Bike Frame is available in four sizes from Small to X-Large and in the colors Dark Green/lime green and Satin Black/magenta.

Tech Specs

Frame Material:
aluminum
Suspension:
full suspension
Rear Shock:
FOX FLOAT CTD with Kashima
Rear Travel:
150 mm
Head Tube Diameter:
ZS44/EC49 mixed tapered
Headset Included:
no
Bottom Bracket Type:
73 mm English
ISCG Tabs:
yes, ISCG 05
Cable Routing:
external
Front Derailleur Mount:
34.9mm clamp-on
Seatpost Diameter:
30.9 mm
Seat Collar:
34.9 mm
Rear Axle:
142 mm thru-axle
Recommended Use:
all mountain, enduro
Manufacturer Warranty:
5 years

sizing chart

Bronson size by rider height

|

Geometry chart

Fuji Bicycles

 

Geometry Chart

 

Altamira LTD
 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Standover

(SO)

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay Length

(CS)

Wheelbase

44 44.0cm 51.5cm

51.7cm

36.3cm 72.1cm

12.0cm

72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm

52.8cm

37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm

101.0cm

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Here's what others have to say...

Is the Bronson with the CCDB rear shock option available on backcountry?

Hey there William, Yes we can special order that for you. While that is not an option on the front in of the sight, we are able to special order somethings, the Bronson being one of those items. Please contact me directly at 801 736 6396 ext 4769 or at gmcbride@backcountry.com and I can get all of that set up for you! Talk soon, happy riding.

Does the frame purchase include the shock?

Ben,



Yes the bike comes with the the rear shock listed. FOX FLOAT CTD with Kashima. If you have any other question feel free to shoot me an email ddalton@backcountry.com



Dan

What is the weight of this frame?