Santa Cruz HIGHTOWER 4 C (90 Kit)
Unlock your ride potential with the 2026 Hightower 90 from Santa Cruz — a carbon-chassis trail machine built for serious performance. With 150 mm of VPP® rear travel paired with a 160 mm FOX 36 Float Performance fork, this 29″ wheeled bike is engineered to dominate both climbs and descents. The carbon C frame delivers outstanding stiffness and durability with minimal weight. Equipped with a SRAM 90 Eagle T-Type 12-speed drivetrain for precise shifts, SRAM Maven brakes for reliable stopping power, and Reserve wheels with lifetime warranty, the Hightower 90 is ready for everything from single-track challenges to all-day missions. Available in Matte Black and Gloss Brick Red finishes.
Key Specifications
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Frame: Carbon C
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Travel: 150 mm rear / 160 mm front
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Wheel Size: 29″
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Drivetrain: SRAM 90 Eagle T-Type, 12-speed
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Finish Options: Matte Black, Gloss Brick Red
 
Why You’ll Love It
The Hightower 90 blends modern trail geometry with high-end components for a ride that’s efficient uphill, stable downhill, and fun everywhere in between. With its top-tier build and versatile capabilities, this bike is built to push limits and deliver results.
| Category | Component | Specification | 
|---|---|---|
| Frame | Material | Carbon C | 
| Frame | Carbon C 29" 150mm Travel VPP™ | |
| Travel | 150mm | |
| Weight | 34.06lbs / 15.45kg | |
| Wheel Size | 29" | |
| Suspension | Fork | FOX 36 Float Performance, Grip, 160mm | 
| Shock | FOX Float X Performance, 230x57.5 | |
| Drivetrain | Bottom Bracket | SRAM DUB 73mm MTB Wide BB | 
| Cassette | SRAM XS 1275 Eagle T-Type, 10-52t | |
| Chain | SRAM GX Eagle T-Type, Flattop, 12spd | |
| Chainguide | N/A | |
| Crankset | SRAM 90 Eagle DUB T-Type Crankset, 32t All Sizes: 170mm | |
| Rear Derailleur | SRAM 90 Eagle T-Type, 12spd | |
| Right Shifter | SRAM 90 Eagle T-Type, 12spd | |
| Brakes | Brakes | SRAM Maven Base | 
| Front Rotor | SRAM HS2 200mm | |
| Rear Rotor | SRAM HS2 180mm | |
| Cockpit | Grips / Bar Tape | Santa Cruz Bicycles House Grips | 
| Handlebars | OneUp Aluminum Bar S: 35x760mm, 20mm Rise, M/L/XL/XXL: 35x800mm, 35mm Rise | |
| Headset | Cane Creek 50 IS Integrated Headset | |
| Saddle | SDG Bel-Air V3 Lux-Alloy | |
| Seatpost | OneUp Dropper Post, 31.6 S: 150mm, M: 180m, L/XL: 210mm, XXL: 240mm | |
| Stem | OneUp Enduro Stem All Sizes: 42mm | |
| Wheels | Front Rim | Reserve 30|TR AL | 
| Front Hub | DT Swiss 370, 15x110, 6-Bolt, 28h | |
| Front Tire | Maxxis Minion DHF 29"x2.5", 3C MaxxGrip, EXO | |
| Rear Rim | Reserve 30|TR AL | |
| Rear Hub | DT Swiss 370, 12x148, XD, 6-Bolt, 36t, 28h | |
| Rear Tire | Maxxis Minion DHR II 29"x2.4", 3C MaxxTerra, EXO+ | |
| Valves | Reserve Fillmore Valves | |
| Specs | Bottom Bracket Shell | Threaded 73mm | 
| Rear Brake Mount | 180mm PM | |
| Chainguide_standard | ISCG05 | |
| Shock Length | 230mm | |
| Fork Axle to Crown | 571mm | |
| Fork Offset | 44mm | |
| Front Derailleur Mount | None | |
| Headset | Integrated (IS41/52) | |
| Max Chainring Size | 36t | |
| Max Rotor Size | 220mm | |
| Max Tire Clearance | 2.5" | |
| Rear Spacing | 148mm | |
| Rear Travel | 150mm | |
| Recommended Sag | 30% | |
| Seat Clamp Diameter | 36.4mm | |
| Shock Mounting Hardware Lower | 30x8 | |
| Shock Mounting Hardware Upper | 40x10 | |
| Shock Stroke | 57.5mm | |
| Suspension System | VPP | |
| UDH Compatible | Yes | |
| Water Bottle Mounts | 1 |