Santa Cruz Hightower 4 CC XTR Reserve Complete Mountain Bike 2026
Model Info
Santa Cruz Hightower 4 CC XTR Reserve Complete Mountain Bike 2026
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Product Info
When it comes to mountain biking, you can ignore the "less is more" philosophy. More is always more, and the new Santa Cruz Hightower 4 CC XTR Reserve Complete Mountain Bike doesn't disappoint, featuring more travel, more attitude, and more capability than ever. Santa Cruz has slackened head tube angles to 64°, increased travel to 160mm front / 150mm rear, and carefully reconfigured the VPP suspension for a smoother, more efficient ride. It all adds up to a rootin' tootin' good time, delivering serious downhill confidence without compromising overall versatility. This upgraded build features Fox Factory suspension, Reserve 30|HD Carbon wheels, and the all new Shimano XTR Di2 drivetrain for crispy clean wireless shifting.
Product Details
Key Features
Carbon CC Frame – Santa Cruz's highest level of carbon fiber frame construction, CC carbon is not only extremely lightweight and strong, but it comes with a lifetime warranty. The durability, feel, and performance of carbon is unmatched in the mountain bike world, and Santa Cruz are at the top of the game.
Travel – 160mm Front / 150mm Rear
Wheel Size – 29"
Updated 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 re-configured layout improves pivot placement and lowers anti-squat for a smoother and more efficient ride.
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 Factory GRIP X2
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Fork
Fox 36 Factory GRIP X2 The Fox 36 is the undisputed all-mountain champion. Lighter, stronger, faster — the 36 continues to dominate the all-mountain category.
“Factory” says it all – feature-packed and designed to exceed the demands of Fox's Factory-level riders. What they sell is what they race. Factory Series products feature slippery smooth, ultra-durable Genuine Kashima Coat.
This fork also features the GRIP X2 damper for maximum adjustability: high- and low-speed compression adjustment, plus high- and low-speed rebound adjustment. - Stanchion Diameter (mm): 36
- Fork Travel (mm): 160
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Rear Shock:
Fox Float X Factory
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Rear Shock
Fox Float X Factory 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.
Factory Series models feature a genuine Kashima Coat finish for the ultimate friction-free performance.
Shock Adjustments - Air Spring Pressure / Open/Firm Compression Lever / Low Speed Rebound / Low Speed Compression
- Rear Travel (mm): 150
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Shifters:
Shimano XTR Di2
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Shifters
Shimano XTR Di2The XTR Di2 shifter feels instantly natural out of the box, but can also be molded to fit any hand, thanks to its familiar fit and evolved adjustability design. Multiple shift modes, like hold-down multi-shift, tactile click-through double shift, or locked-out single shift, deliver precision, while a tunable third button allows for additional system tuning or third-party connection.
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Rear Derailleur:
Shimano XTR Di2, 12-Speed
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Rear Derailleur
Shimano XTR Di2, 12-SpeedThe all-new XTR M9250 long-cage derailleur paired with a standard 10-51T M9200 cassette gives riders and racers the speed, range, and robustness to tackle every trail on the mountain. With built-in Automatic Impact Recovery, an impact-deflecting shape, and simple covered-pulley solutions, this derailleur stands up to harsh trail impacts and still retains its lightning-quick shifting speed and top-level performance.
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Crankset:
Shimano XTR, 32t
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Crankset
Shimano XTR, 32t The Shimano XTR crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a narrow 162mm Q-factor. The FC-M9100-1 uses a 52mm chain line and can be converted between 1x and 2x. -
Cassette:
Shimano XTR, 10-51t
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Cassette
Shimano XTR, 10-51t In mountain bike riding, trail conditions change drastically from one second to the next, from one turn to the next. Mountain bikers need to be able to seamlessly Perceive the conditions, Judge their options, and Operate their bike in a split second. XTR satisfies the needs of the most demanding riders by providing the highest level of precision and integration. We refocused on the original goal of XTR - to be the ultimate race components. -
Chain:
Shimano XTR M9100, 12-Speed
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Chain
Shimano XTR M9100, 12-Speed Designed for Shimano's revolutionary XTR M9100 12-speed MTB groupset, the M9100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The chain features quick-link assembly and SIL-TEC treatment for extended offroad durability. - Bottom Bracket: Shimano XTR Threaded
- Pedals: Not Included
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Brake Levers:
Shimano XTR M9220
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Brake Levers
Shimano XTR M9220High consistency and control make the BR-M9220 the strongest caliper in the M9200 family. New low viscosity oil keep the M9220 brakes’ bite point consistent in all trail and weather conditions, and new brake pads eliminate rattling noise caused by vibration. Increased power and consistency coupled with the peace of silence give riders pin-point control on rough trails.
- Brake Calipers: Shimano XTR M9220
- Rotors: Shimano MT905, 203mm Front / 180mm Rear
- Headset: Chris King DropSet 3 Integrated Headset
- Stem: Industry Nine A35 All Sizes, 40mm
- Saddle: WTB Silverado Medium Fusion
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Seatpost:
RockShox Reverb AXS Dropper
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Seatpost
RockShox Reverb AXS Dropper RockShox' intention with Reverb™ AXS® was inventive and pure. No hoses. No routing. No energy wasted. Not a single thing in the way of the experience. They created a reliable wireless-electronic dropper post and controller that actuates with drastically less effort and zero distraction. Expanding what's possible on a bike, Reverb AXS is enabled by SRAM AXS™ technology, a new level of interaction, personalization, and connectivity across all AXS enabled components.
Features:- Effortless Electronic-Wireless actuation and infinite height adjustment with a single touch.
- Clean, simple and fast to install. No hoses to route, no fishing required.
- Updated internals for faster return speed in all conditions.
- New Vent Valve Technology, a simple and reliable built in service solution without disassembly of the seatpost.
- SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS enabled components.
- Includes RockShox AXS handlebar controller, rechargeable SRAM battery and charger.
- System is completely waterproof to IPX7 rating.
- Hubs: Industry Nine Hydra 2
- Rims: Reserve 30|HD Carbon
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Front Tire:
Maxxis Minion DHF 2.5" | 3C MaxxGrip, EXO
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Front Tire
Maxxis Minion DHF 2.5" | 3C MaxxGrip, EXO With a tread design that deftly balances rolling speed with braking and cornering traction, it’s no wonder why the Minion DHF is one of the most imitated tires in mountain biking.- 3C MaxxGrip: The stickiest, slowest rebounding rubber Maxxis offers.
- EXO: A cut and abrasion-resistant material added to the sidewalls.
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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 (Frame)
| 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) | 132 | 158 | 178 | 198 | 528 |
| 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) | 435 | 437 | 440 | 443 | 446 |
| 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) | 1206 | 1238 | 1265 | 1297 | 1329 |
| Standover Height (mm) | 714 | 719 | 722 | 723 | 727 |
| Complete Weight (lbs) | 31.95 | ||||
| Complete Weight (kg) | 14.49 | ||||
| Wheel Size | 29" | 29" | 29" | 29" | 29" |