2025 Forbidden Dreadnought 1 Bike
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Key Features
- Trifecta V2 High Pivot Suspension: 160mm of rear travel via an inverted four-bar linkage, delivering exceptional stability and big-hit performance for Enduro/Bike Park use.
- SRAM X0 Eagle Transmission (T-Type): Top-tier electronic wireless shifting with the durable X0 T-Type crankset and cassette.
- RockShox Ultimate Suspension: Features a robust 170mm **ZEB Ultimate** fork with Charger 3.1 RC2 damper/ButterCups and a **Vivid Ultimate** rear shock.
- SRAM Maven Ultimate Brakes: Most powerful 4-piston Maven Ultimate brakes with 200mm HS2 rotors for absolute control and heat management.
- Proportional Geometry: Features true size-specific chainstay lengths (431mm to 475mm) for balanced handling across all S1-S4 sizes.
- Crankbrothers Synthesis 11 Carbon Wheels: High-performance carbon wheelset (31.5mm F / 29.5mm R) for optimal tire profile and minimal weight.
- Modular Dropout System: Easily converts between full 29" and Mixed Wheel (MX) configurations with included modular dropouts.
- Integrated Chainguide: Forbidden Race upper idler guide and MRP MXg lower guide with bashguard.
Full Specifications
| Product | Forbidden Dreadnought 1 Bike |
|---|---|
| Model Year | 2025 |
| Intended Use | Enduro / All-Mountain / Freeride / Bike Park |
| Rider | Unisex |
| Sizes and Geometry | S1, S2, S3, S4 (29" and MX) |
| Wheel Size | 29" or Mixed (29" Front / 27.5" Rear) |
| Frame Material | Carbon Fiber |
| Frame Material Details | High-modulus carbon fiber front and rear triangles, forged V2 Rate Control Linkage, molded protection, integrated rear fender |
| Rear Travel | 160mm |
| Rear Shock | RockShox Vivid Ultimate, Touchdown RC2T damper, 205mm x 60mm |
| Fork | RockShox ZEB Ultimate, Charger 3.1 RC2 damper, 44mm offset, 38mm stanchions |
| Fork Travel | 170mm |
| Head Tube Diameter | Tapered, 1.125" top, 1.5" bottom |
| Headset | Cane Creek Hellbender 70, ZS44/28.6 upper, ZS56/40 lower |
| Handlebar | Burgtec Ride Wide Enduro Carbon, 800mm width, 35mm clamp Rise: 22.5mm (S1/S2), 30mm (S3/S4) |
| Stem | Burgtec MK3 Enduro, 42.5mm length, 35mm bar clamp |
| Grips | Forbidden, single clamp lock-on, 128mm length |
| Brakes | SRAM Maven Ultimate, 4-piston, organic pads Rotors: SRAM HS2, 6-bolt, 200mm |
| Brake Levers | SRAM Maven Ultimate Stealth, tool-free reach and contact point adjust |
| Drivetrain | 1x |
| Shifters | SRAM Eagle Pod Rocker Controller, 12-speed, AXS electronic wireless |
| Front Derailleur | None |
| Rear Derailleur | SRAM X0 Eagle Transmission, 12-speed, AXS electronic wireless |
| ISCG Tabs | ISCG05, lower two bolts only |
| Chainguide | Forbidden Race upper idler pulley guide, MRP MXg lower pulley with bashguard |
| Cranks | SRAM X0 Eagle Transmission Alloy DUB, 165mm length |
| Chainrings | SRAM X0 Eagle Transmission, 32 tooth |
| Bottom Bracket | SRAM DUB Wide, 73mm English/BSA threaded |
| Pedals | None |
| Chain | SRAM X0 Eagle Transmission Flattop, 12-speed |
| Cassette | SRAM X0 Eagle Transmission XS-1295, 12-speed, 10-52 tooth |
| Rims | Crankbrothers Synthesis 11 Carbon, tubeless ready Front: 31.5mm inner; Rear: 29.5mm inner |
| Hubs | Crankbrothers, 15x110mm Boost front, 12x148mm Boost rear with Ratchet freehub and XD driver |
| Spokes | Sapim CX Ray (F) / Sapim CX Sprint (R), stainless steel, bladed |
| Tires | Front: Maxxis Assegai, 3C MaxxTerra, EXO, TR, 29" x 2.5" Rear: Maxxis Forekaster, 3C MaxxTerra, EXO+, TR, 2.4" |
| Saddle | fi'zi:k Terra Alpaca X5, S-Alloy rails, 145mm width |
| Seatpost | OneUp dropper Drop: 120mm (S1), 150mm (S2), 180mm (S3), 210mm (S4) |
| Seatpost Diameter | 31.6mm |
| Seatpost Clamp | Forbidden, 7075 CNC anodized aluminum, 34.9mm |
| Rear Dropout / Hub Dimensions | 12mm x 148mm (Boost) |
| Max. Tire Size | 2.5" |
| Bottle Cage Mounts | One inside front triangle, plus accessory mounts under top tube |
| Colors | KX500, Arrakis |
| Warranty | Lifetime frame |
| Weight | |
| Miscellaneous |
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Geometry
Figures are based on stock **0mm offset** dropouts and a 170mm fork (586mm A-C, 44mm offset). Values are listed as: **29" Geometry** / **Mixed (MX) Geometry**. All measurements are in millimeters (mm) unless otherwise noted.
| Size | S1 | S2 | S3 | S4 |
|---|---|---|---|---|
| Reach | 435 / 430 | 455 / 450 | 475 / 471 | 495 / 491 |
| Stack | 615 / 618 | 628 / 632 | 642 / 645 | 655 / 659 |
| Top Tube Length (Effective) | 571 / 572 | 594 / 595 | 617 / 618 | 640 / 641 |
| Head Tube Angle | 63.5° / 63.1° | 63.5° / 63.1° | 63.5° / 63.1° | 63.5° / 63.1° |
| Seat Tube Angle (Effective) | 77.5° / 77.1° | 77.5° / 77.1° | 77.5° / 77.1° | 77.5° / 77.1° |
| Chainstay Length (Rear Center) | 431 | 446 | 460 | 475 |
| Wheelbase | 1206.5 / 1206.5 | 1247.7 / 1247.6 | 1288.9 / 1288.8 | 1330.1 / 1330.0 |
| Standover | 771 | 775 | 777 | 780 |
| Bottom Bracket Height | 347 / 341 | 347 / 341 | 347 / 341 | 347 / 341 |
| Head Tube Length | 90 | 105 | 120 | 135 |
| Recommended Fork Offset | 44mm | 44mm | 44mm | 44mm |
| Additional Info |
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Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.
