Santa Cruz Megatower 90 Carbon Enduro Mountain Bike
SRAM 90 Eagle T-Type 12-speed shifting equips the Santa Cruz Megatower 90, an enduro mountain bike with a 32T crankset.
- Its Carbon C VPP frame provides 170mm travel.
- The FOX 38 Float Performance fork provides 170mm travel.
- SRAM XS 1275 Eagle cassette spans from 10 to 52 teeth.
- The FOX Float X Performance rear shock measures 230×65.
- Maxxis Minion DHR II rear tire measures 29×2.4 inches.
- Ready to Ride guarantee 100% Built.
- Safe International Doorstep Bike Shipping.
Description
During aggressive bike park runs and enduro stages, the Santa Cruz Megatower 90 carbon enduro mountain bike absorbs heavy compressions with 170mm of 29-inch VPP travel. The Carbon C frame pairs with a FOX Float X Performance rear shock and a FOX 38 Float Performance 170mm fork.
The specification package includes a mechanical 12-speed SRAM 90 Eagle T-Type drivetrain, SRAM Maven Base 4-piston hydraulic brakes with 200mm HS2 rotors, Reserve 30 aluminum wheels on DT Swiss 370 hubs, Maxxis tires, OneUp dropper post, OneUp alloy handlebar, and an SDG Bel-Air V3 saddle. Available in Gloss Silver and Matte Olive Drab, pedals are required separately.
Key Specifications of the Santa Cruz Megatower 90 Enduro Mountain Bike
- Carbon C frame provides 170mm of VPP rear suspension travel.
- FOX 38 Float Performance fork delivers 170mm of front travel.
- FOX Float X Performance rear shock measures 230mm by 65mm.
- SRAM 90 Eagle T-Type 12-speed mechanical drivetrain shifts a 10-52T cassette.
- SRAM Maven Base 4-piston hydraulic disc brakes clamp 200mm HS2 rotors.
- Reserve 30 alloy rims lace to DT Swiss 370 hubs.
- Frame geometry is engineered around 29-inch wheels front and rear.
- Maxxis Assegai 2.5-inch front and Minion DHR II 2.4-inch rear tires provide grip.
- Post-mount rear brake mount accepts 200mm direct-mount calipers.
- Complete bicycle weighs 36.06 pounds or 16.36 kg.
Who This Enduro Mountain Bike Fits
Privateer racers and aggressive mountain bikers seeking a full 29-inch carbon enduro platform with robust mechanical shifting will match this build. The 170mm travel chassis offers tracking through steep rock chutes and rough trails.
Build Considerations
The chassis features a 73mm threaded bottom bracket, 55mm chainline, 12x148mm Boost rear axle, and an integrated IS41/52 headset. The OneUp bash guide shields the 32T chainring, while internal ports route cables through the frame.
Before Ordering the Santa Cruz Megatower 90 Enduro Mountain Bike
Select frame sizes based on height: Small fits 155 to 168 cm (5’1″ to 5’6″), Medium fits 168 to 180 cm (5’6″ to 5’11”), Large fits 178 to 190 cm (5’10” to 6’3″), XL fits 188 to 200 cm (6’2″ to 6’7″), and XXL fits 196 to 205 cm (6’5″ to 6’9″). Ensure you supply your own pedals to complete the final build.
Santa Cruz Megatower 90 Specs
| Frame | Carbon C 29" 170mm Travel VPP |
| Travel | 170mm |
| Suspension System | VPP |
| Weight | 36.06lbs / 16.36 kg |
| Wheel Size | 29" |
| Sizes | S, M, L, XL, XXL |
| Colors | Gloss Silver, Matte Olive Drab |
| Fork | FOX 38 Float Performance, Grip, 170mm |
| Fork Offset | 44mm |
| Shock | FOX Float X Performance, 230x65 |
| Shock Length | 230mm |
| Shock Stroke | 62.5mm or 65mm |
| Shock Bushing Size Front | 30x8 |
| Shock Bushing Size Rear | 30x8 |
| Bottom Bracket | SRAM DUB 73mm MTB Wide BB |
| Bottom Bracket Shell | 73mm Threaded |
| Cassette | SRAM XS 1275 Eagle T-Type, 10-52t |
| Chain | SRAM GX Eagle T-Type, Flattop, 12-speed |
| Chainguide | OneUp Bash Guide |
| Crankset | SRAM 90 Eagle DUB T-Type Crankset, 32t |
| Rear Derailleur | SRAM 90 Eagle T-Type, 12-speed |
| Right Shifter | SRAM 90 Eagle T-Type, 12-speed |
| Front Brakes | SRAM Maven Base |
| Front Rotor | SRAM HS2 200mm |
| Rear Rotor | SRAM HS2 200mm |
| Rear Brake Mount | 200mm PM |
| Grips | Santa Cruz Bicycles House Grips |
| Handlebars | OneUp Aluminum Bar |
| Headset | Cane Creek 50 IS Integrated Headset |
| Headset Specification | Integrated IS41/52 |
| Saddle | SDG Bel-Air V3 Lux-Alloy |
| Seatpost | OneUp Dropper Post, 31.6 |
| Seat Clamp Diameter | 36.4mm |
| Seat Post Diameter | 31.6mm |
| Stem | OneUp Enduro Stem, 42mm |
| Front Rim | Reserve 30|TR AL |
| Front Hub | DT Swiss 370, 15x110, 6-Bolt, 28h |
| Front Tire | Maxxis Assegai 29"x2.5", 3C MaxxGrip, EXO+ |
| Rear Rim | Reserve 30|HD AL |
| Rear Hub | DT Swiss 370, 12x148, XD, 6-Bolt, 36t, 32h |
| Rear Tire | Maxxis Minion DHR II 29x2.4" 3C MaxxTerra, Double Down |
| Front Derailleur Mount | No compatibility |
| Max Chainring Size | 36t |
| Max Tire Clearance | 2.5"; tire clearance varies by tire and rim model |
| Water Bottle Mounts | 1 |
| Manufacturer Warranty | Santa Cruz offers a lifetime warranty on frames and rigid forks for the original owner. Paint, finishes, and decals are covered for 3 years. Pivot bearings, Santa Cruz carbon handlebars, bottle cages, and Reserve carbon rims are covered for life for the original owner. |
Santa Cruz Megatower 90 Included:
- SRAM 90 Eagle mechanical drivetrain setup and adjustment accessories.
- RockShox ZEB Select+ fork and Super Deluxe Select+ rear shock air pressure guide.
- Santa Cruz Glovebox internal frame storage Tool Wallet and Tube Purse pouch kit.
- SDG Tellis / OneUp dropper seatpost remote and cable hardware.
- Tubeless valve stems and pre-installed tubeless-ready rim tape.
- SRAM DB8 / Maven 4-piston hydraulic disc brake pad transport spacers.
- Burgtec 12x148mm Boost rear thru-axle.
- Safety reflector pack and standard warning bell.
- Bicycle User Manual Book.
- Official Manufacturer Warranty Card.
Santa Cruz Megatower 90 Carbon Enduro Mountain Bike General Questions
Q: What terrain is the Santa Cruz Megatower 90 built for?A: The Santa Cruz Megatower 90 Carbon Enduro Mountain Bike is built for big-mountain singletrack, rock chutes, and technical climbs with 170 mm front and 165 mm rear travel on 29-inch wheels.
A: Set 30% sag using a shock pump on the EVOL air sleeve, adjust low-speed compression and rebound clickers, and service air seals every 125 riding hours.
A: Clean the 10-52T cassette with solvent every 200 miles, apply high-grade chain lubricant, and check direct-mount Hangerless bolt torque without B-limit adjustments.
A: Carbon C construction provides heavy-duty impact strength against rock strikes while integrating internal Glovebox downtube storage and a threaded 73mm bottom bracket.
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