Santa Cruz Bronson 5 C Eagle 90 Complete Mountain Bike 2026
Model Info
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Product Info
You've heard "when in doubt, take a Bronson out", but what if the first clause is simply obliterated? The Santa Cruz Bronson 5 C Eagle 90 Complete Mountain Bike is the next evolution of a storied lineage, a genre-spanning all rounder with a wild side that begs to be let loose. The secret sauce lies in a new approach to mixed wheel geometry. Santa Cruz has crunched the numbers and tweaked the Bronson geo with longer chainstays, slacker head tube angles, and a subtle shift in shock positioning to reduce anti-squat for more balanced, intuitive ride. The result is a bike that attacks both the climb and the descent with maximum confidence. This build features SRAM's all new Maven Base brakes and Eagle 90 T-Type drivetrain, bringing Transmission shifting reliability and toughness to the analog world. Yeehaww!
Product Details
Key Features
Carbon C Frame – A minimal weight gain of approximately 250 - 280 grams (0.6 lbs) for the C frame over the CC due to the different grade of carbon used. Whether you're riding a carbon CC or C frame, you get exactly the same legendary strength and stiffness because Santa Cruz uses exactly the same manufacturing facility and techniques.
Travel – 160mm Front / 150mm Rear
Wheel Size – Mixed Wheel (29" Front / 27.5" Rear)
Lower-Link Mounted VPP® Suspension – VPP is based on the patented principle of having two short links rotating in opposite directions. This system provides huge design flexibility, allowing Santa Cruz to manipulate shock rates to the intended purpose and character of each model; from short travel endurance bikes to World Championship winning DH machines. This redesign mounts the shock lower on the bike, making for an even better ride quality.
The Glovebox™ – Seal whatever you want to carry on your ride inside your downtube. Secure and easy to access, the Glovebox™ has a Tool Wallet and Tube Purse inside, to help organize your stuff too. Simply cavernous!
Proportional Chainstay Lengths – With rear ends that match the size range, this bike's geo and ride quality is the same for all riders.
Integrated Flip Chip for High / Low Geometry Setting
Specs
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Biking Type:
Mountain
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Biking Type
Mountain Mountain bikes are built for tackling rough terrain with frames made of durable materials like aluminum or carbon fiber, ensuring stability and maneuverability. They feature suspension to absorb impacts from rocks, roots, and drops, providing a smoother ride.
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Used For:
Trail
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Used For
Trail Trail bikes are the quintessential “mountain bikes.” If you’re heading into the woods expecting to do it all on two wheels – climbing, technical sections, AND fun descents – you’re looking for a trail bike.
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Suspension:
Full Suspension
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Suspension
Full Suspension Engineered to tackle the most challenging terrain with enhanced comfort and control. Unlike hardtail bikes, full suspension bikes feature both front and rear suspension systems that allow the wheels to move independently from the frame.
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Frame Material:
Carbon
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Frame Material
Carbon Carbon is a composite frame material. Unlike metals, carbon is composed of fibrous strands woven into a grid and bonded with epoxy. Carbon is favored by many for its lightness and stiffness but its complexity in fabrication makes it the most expensive option.
- Gearing: 1 x 12
- Water Bottle Mounts: 1
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Fork:
Fox 36 Performance
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Fork
Fox 36 Performance The Fox 36 is the undisputed all-mountain champion. Lighter, stronger, faster — the 36 continues to dominate the all-mountain category.
Performance Series forks retain the same black anodized 7000 series aluminum upper tubes as Performance Elite, except paired with a GRIP damper. Push-button bleeders are not included but can be purchased separately. - Stanchion Diameter (mm): 36
- Fork Travel (mm): 160
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Rear Shock:
Fox Float X Performance
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Rear Shock
Fox Float X Performance From aggressive trail to enduro, the advanced damping, fade free performance and class-leading durability of Float X makes it the versatile and lightweight choice for All-Mountain riders earning their descents.
Shock Adjustments - Air Spring Pressure / 2-Position Open/Firm Lever / Rebound -
Shifters:
SRAM Eagle 90 T-Type
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Shifters
SRAM Eagle 90 T-Type The feel, look and shift quality of the Eagle 90 Shifter
allow you to ride in a whole new way. Optimized
cable pull with a revised lever position for maximum
control. With a new T-Type cable actuation ratio,
Eagle 90 offers a higher quality of shift than any
previous mechanical system. -
Rear Derailleur:
SRAM Eagle 90 T-Type, 12-Speed
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Rear Derailleur
SRAM Eagle 90 T-Type, 12-Speed The Eagle 90 Transmission derailleur is the definitive
answer to how good a cable actuated derailleur can
be. It features an all-new T-Type cable actuation
ratio to provide the most precise and crisp shifts
every time. Utilizing the same Full Mount design
as its electronic siblings, Eagle 90 is the strongest
mechanical derailleur we have ever produced. Not
only is it robust, but the derailleur body features
replaceable outer and inner parallelogram links,
skid plate, and a tool-free threaded cage assembly,
making it the most rebuildable derailleur in the Eagle
Transmission Ecosystem. -
Crankset:
SRAM Eagle 90 DUB T-Type, 32t
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Crankset
SRAM Eagle 90 DUB T-Type, 32t The new Eagle 90 crankset is a sleek, sturdy answer
to a growing demand for robust and aesthetically
pleasing components. And with availability down to
shorter 155mm and 160mm lengths, it gives riders
more freedom to build their bike, their way. Featuring
8-bolt chainring compatibility, the Eagle 90 crankset
includes a silver stamped steel T-Type chainring
with optional bashguards for durability and protection
on the trail. -
Cassette:
SRAM Eagle T-Type XS-1275, 10-52t
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Cassette
SRAM Eagle T-Type XS-1275, 10-52t The GX Eagle Transmission (T-Type) Cassette is a key reason why Eagle Transmission offers the best-ever inboard and outboard shifting performance under load. Thanks to its full X-SYNC design, the harder you pedal, the better it shifts. Designed for a 55mm chainline for less extreme chain angles throughout the full range and delivers more precision. It’s 520% range has been optimized with larger 38 and 44-teeth cogs prior to the 52-tooth cog for improved gear steps in the low end (compared to the Eagle drivetrain 10-52-tooth cassette). Featuring a clearly marked Setup Cog, install is both simple and foolproof. Plus, it utilizes a Pindome design for gears 1-8 and a single piece mini-cluster for gears 9-12. -
Chain:
SRAM GX Eagle T-Type Flattop, 12-Speed
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Chain
SRAM GX Eagle T-Type Flattop, 12-Speed The GX Eagle Transmission (T-Type) chain is the strongest SRAM has ever made. Specifically engineered to optimize Eagle Transmission, this all-new T-Type design features a unique flat top. In addition to this shape maximizing shifting performance and upgrading the aesthetics of any bike, it is developed specifically for the added torque loads of E-MTB thanks to its solid pins that give it incredible strength. - Bottom Bracket: SRAM DUB 73mm MTB Wide BB
- Pedals: Not Included
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Brake Levers:
SRAM Maven Base
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Brake Levers
SRAM Maven Base Modern mountain bikes have redefined what riders are capable of, pushing the requirements for extreme duty power further than ever before. Maven is our answer to that evolution, giving you the boundless power of confidence for elevated speed and control on ever-more demanding terrain. Maven Base’s lever body houses Directlink, which translates rider input for a smooth application of power. And because of a stiff 4-bolt caliper that sheds an incredible amount of heat, that feel remains consistent, so the last corner feels like the first corner. And with so much baseline power on hand, there is more range than ever before to tune the ride qualities to exactly how you want with different pad materials, and rotor sizes. Maven Base features a Blasted Black anodized finish, and for ease of customization includes tool-free reach adjust - Brake Calipers: SRAM Maven Base
- Rotors: Front: SRAM HS2 200mm | Rear: SRAM HS2 180mm
- Headset: Cane Creek 50 IS Integrated Headset
- Stem: OneUp Enduro Stem, 42mm
- Saddle: SDG Bel-Air V3, Lux-Alloy
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Seatpost:
OneUp V2 Dropper 31.6mm
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Seatpost
OneUp V2 Dropper 31.6mm The OneUp V2 Dropper has the most drop, shortest stack height and shortest total length of any other post on the market. No other dropper can get your saddle lower. Smooth, reliable and a great value. There’s more than one reason testers, reviewers, racers and riders consistently rate our Dropper Post “#1”, “5-Stars” and “10/10.” -
Wheelset:
Reserve 30 HD
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Wheelset
Reserve 30 HD The Reserve 30 is specially designed to stand up to abuse, featuring a 30mm width for use with 2.5 tires and a redesigned inner rim bed that takes the hassle out of seating new tires. Proven in the lab, backed by a lifetime guarantee, and ride tested in some of the toughest terrain on the planet, the 30 takes you there faster with a greater sense of confidence. Combined with Industry Nine's fantastic 1/1 hubs, this is an unbeatable wheelset. Reserve rims come with a lifetime guarantee. - Hubs: DT Swis 370
- Rims: Reserve 30|TR AL
- Tires: Maxxis
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Front Tire:
Maxxis Assegai 2.5" | 3C MaxxGrip, EXO+
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Front Tire
Maxxis Assegai 2.5" | 3C MaxxGrip, EXO+ Greg Minnaar’s signature tire – the Maxxis Assegai – provides tenacious, predictable grip across the entire profile no matter the lean angle. The Assegai can be used front and rear for a surefooted feel or as a front paired with a faster rolling rear tire.- 3C MaxxGrip: The stickiest, slowest rebounding rubber Maxxis offers.
- EXO+: Durable 60 TPI casing, legendary EXO puncture protection in the sidewalls, and a small butyl insert around the bead to protect from pinch flats and help prevent rim damage.
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Rear Tire:
Maxxis Minion DHR II 2.4" | 3C MaxxTerra, EXO+
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Rear Tire
Maxxis Minion DHR II 2.4" | 3C MaxxTerra, EXO+ With side knobs borrowed from the legendary Minion DHF, but widened to provide more support, the DHR II corners like no other. The center tread features ramped leading edges to improve acceleration and sipes to create a smooth transition when leaning the bike. Paddle-like knobs on the center tread dig in under hard braking and help keep the bike under control.- 3C MaxxTerra: A triple compound ideal for trail riding in all conditions - offers more traction than 3C MaxxSpeed, yet provides better treadwear and less rolling resistance than 3C MaxxGrip.
- EXO+: Durable 60 TPI casing, legendary EXO puncture protection in the sidewalls, and a small butyl insert around the bead to protect from pinch flats and help prevent rim damage.
- Warranty: Limited Lifetime
| Size | S | M | L | XL | XXL |
| Rider Height | 5'1" - 5'5" | 5''5" - 5'9" | 5'9" - 6'1" | 6'1" - 6'4" | 6'4" - 6'7" |
| Reach (mm) | 432 | 457 | 478 | 498 | 523 |
| Stack (mm) | 625 | 634 | 643 | 661 | 671 |
| Effective Top Tube (mm) | 573 | 596 | 615 | 638 | 664 |
| Seat Tube (mm) | 380 | 405 | 430 | 460 | 500 |
| Head Tube Angle (°) | 63.9 | 63.9 | 63.9 | 63.9 | 63.9 |
| Seat Tube Angle (°) | 77.3 | 77.6 | 77.9 | 78 | 78.1 |
| Chainstay Length (mm) | 438 | 440 | 443 | 446 | 449 |
| Bottom Bracket Height (mm) | 341 | 341 | 341 | 341 | 341 |
| Bottom Bracket Drop (mm) | 32 | 32 | 32 | 32 | 32 |
| Head Tube Length (mm) | 110 | 120 | 130 | 150 | 160 |
| Wheelbase (mm) | 1209 | 1240 | 1268 | 1299 | 1332 |
| Standover Height (mm) | 722 | 719 | 721 | 723 | 722 |
| Wheel Size | Mixed Wheel | Mixed Wheel | Mixed Wheel | Mixed Wheel | Mixed Wheel |