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2018 Santa Cruz Bicycles Bronson 2.1 AL Mountain Bike Frame


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2018 Santa Cruz Bicycles Bronson 2.1 AL Mountain Bike Frame


Demolishing chunky rock lines and steep descents with unflappable poise, the Santa Cruz Bronson 2.1 AL Mountain Bike Frame conquers anything the mountain throws your way with 150-millimeters of VPP suspension paired with aggressive geometry that’s long and slacked-out. For 2018, the Bronson retains the same dialed geometry of the second-generation model, which is a good thing considering its acclaimed status as Santa Cruz’s go-to choice for all-mountain riding. This particular Bronson is made from aluminum for dependable strength without the higher cost of pricier carbon models. And despite being made from aluminum, you’ll find it’s still up to the task of withstanding all the punishment you can throw its way, as backed by its outstanding lifetime warranty.

When the Bronson was overhauled in 2016, it underwent an aggressive redesign that pushed its capabilities deeper into realms of all-mountain riding. The most notable differences in geometry are the 66-degree head tube angle in conjunction with longer reach and wheelbase figures. The 66-degree head tube maintains stability when you’re dropping into steep descents at high speeds while the longer reach makes it all the more comfortable, seeing many riders found previous models a bit cramped in the cockpit. The chainstays are a bit shorter at 17 inches, giving the second-gen Bronson snappier handling around tight corners, as well as making the front end easier to lift up and over trail impediments. Furthermore, the steep seat tube angle of 74-degrees ensures an efficient pedaling platform, so you’ll have no difficulty cleaning long, technical climbs.

The big story with the Bronson 2.0 is the VPP suspension, which features Santa Cruz’s upper box-style linkage inspired by the previous generation of Nomad. The upper link connects to the top tube, which creates a stiffer design with greater stand-over clearance for short riders. Additionally, the lower link is neatly situated above the bottom bracket, tucked away from damaging rock strikes and flinging trail debris. These changes extend to the suspension’s feel and performance, which is easier to initiate at the top of its stroke for a more supple feel with better sensitivity to small bumps. Furthermore, it’s more linear through the mid-stroke, meaning it’s more consistent and supportive as you push deeper into the bike’s travel. As you’d expect from a VPP suspension, you’ll find it ramps up considerably at the end-stroke to prevent it from bottoming out on bigger hits and gnarlier trail obstacles.

Santa Cruz’s go-to bike for aggressive all-mountain riding

Geometry is longer and slacker than previous generation

Aluminum frame offers proven strength at an affordable price

Responsive VPP suspension with 150mm of plush travel

Fox Float Performance DPS shock with EVOL for sensitivity

Internal cable routing for derailleurs and dropper posts

Bottle cage mount in front triangle clears piggyback shocks

Threaded bottom bracket eliminates annoying creaks


2018 Santa Cruz Bicycles Bronson 2.1 AL Mountain Bike Frame

Frame Material:




Wheel Size:


Rear Shock:

Fox Float Performance DPS

Rear Travel:


Head Tube Diameter:

1-1/8 – 1-1/2in tapered

Bottom Bracket Type:

BSA threaded

Cable Routing:

internal cable routing, stealth dropper routing

Front Derailleur Mount:

direct to frame

Brake Type:


Seatpost Diameter:


Rear Axle:

12 x 148mm Boost thru-axle

Recommended Use:


Manufacturer Warranty:

lifetime on frame

Actual Weight:

Gloss Olive/Black, L: 3620g


2018 Santa Cruz Bicycles Bronson 2.1 AL Mountain Bike Frame


Bronson 2.0
  Seat Tube


Effective Top Tube






Stand Over Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Height




S 15.5in 22.5in 23.1in 16in 28.6in 3.5in 66o 74o 13.4in 17in 44.9in
M 16.5in 23.4in 23.4in 16.7in 28.8in 3.9in 66o 74o 13.4in 17in 45.8in
L 18.1in 24.3in 23.8in 17.5in 28.9in 4.3in 66o 74o 13.4in 17in 46.8in
XL 19.5in 25.6in 24.2in 18.7in 29.4in 4.7in 66o 74o 13.4in 17in 48.1in


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