Transition Regulator CX Carbon XT Di2 E-Mountain Bike 2026
Model Info
Transition Regulator CX Carbon XT Di2 E-Mountain Bike 2026
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Product Info
The Transition Regulator CX Carbon XT Di2 E-Mountain Bike is what happens when Transition builds an e-bike on their own terms — no compromises, no excuses. Its Bosch Performance CX motor powers out 85Nm of torque through a mixed-wheel chassis with 150mm of travel and a geometry that prioritizes fun over brute force. The 600Wh battery is enough to keep the ride going all day, but you can add a 250Wh range extender if you plan on rolling back to the trailhead with a headlamp. It's more trail bike than e-bike, and that's exactly the point. This build features Fox Factory suspension, TRP EVO Pro brakes, and Shimano XT Di2 wireless shifting.
Product Details
Key Features
Carbon Fiber Frame – Lightweight and incredibly strong, Transition's carbon framesets are known for durability and versatility.
Travel – 160mm Front / 150mm Rear
Wheel Size – Mixed Wheel (29" Front / 27.5" Rear)
250wh Range Extender Compatible – MD-XL sizes only. Sold separately.
Bosch Wireless Two Button Mini Remote
Top Tube Mounted System Controller LED Display
Geo-adjust Chip at Lower Shock Mount
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.
- Gearing: 1 x 12
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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.
- Water Bottle Mounts: 1
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Fork:
Fox 38 Factory GRIP X2
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Fork
Fox 38 Factory GRIP X2 The Fox 38 is the hard hitting, long-travel enduro specialist. When you need to go really big, reach for the 38. Optimized for 160 - 180mm of travel and packing the same revolutionary feature set as the Fox 36, the 38 redefines what you think a long travel single crown fork is capable of, and sets a new benchmark for confidence, performance and durability.
"Factory" says it all — feature-packed and designed to exceed the demands of Factory-level riders. What we sell is what they race. Factory Series products feature slippery smooth, ultra-durable Genuine Kashima Coat.
This fork features the GRIP X2 damper for maximum adjustability: high- and low-speed compression adjustment, plus high- and low-speed rebound adjustment. - Stanchion Diameter (mm): 38
- Fork Travel (mm): 160
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Rear Shock:
Fox Float X2 Factory
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Rear Shock
Fox Float X2 Factory Combining ultra-plush coil-like comfort and incredible damping prowess with the light weight of an air spring and an unmatched level of tunability, the Float X2 brings new levels of control and performance to every terrain imaginable.
Factory Series models feature a genuine Kashima Coat finish for the ultimate friction-free performance.
Shock Adjustments - Air Spring Pressure / High and Low Speed Compression / High and Low Speed Rebound / 2-Position Lockout Lever - Rear Travel (mm): 150
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Drive Unit:
Bosch Performance Line CX BDU38
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Drive Unit
Bosch Performance Line CX BDU38 The next generation Bosch Performance Line CX motor is quieter, lighter, and smaller than ever. More compact but no less powerful, it comes with a maximum torque of 85Nm. Choose between 4 standard modes and customize your ride in the Bosch Flow App. -
Battery:
Bosch PowerTube 600Wh
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Battery
Bosch PowerTube 600Wh Thanks to their range, long service life, intelligent battery management system and easy handling, Bosch Power Tube lithium-ion batteries are among the most modern on the market. All those decades of Bosch experience has paid off! -
Shifters:
Shimano XT Di2
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Shifters
Shimano XT Di2The Shimano XT 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 and 2-step multi-shift, offer versatility and precision, while the tactile click prevents mis-shifts and a tunable third button allows for additional system tuning or third-party connection.
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Rear Derailleur:
Shimano XT Di2, 12-Speed
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Rear Derailleur
Shimano XT Di2, 12-Speed Wireless Di2 shifting designed for E-MTB and HYPERGLIDE+. The ultra-durable RD-M8260 long-cage, 12-speed rear derailleur taps into proven wireless Di2 shifting technology and the strengths of other XT offerings, while pulling power from the bike's main battery, delivering a stable power supply, and eliminating the need for a back-up battery. - Crankset: E*Thirteen Helix Race 155mm
- Cassette: Shimano XT CS-M8200 10-51t
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Chain:
Shimano XT M8100, 12-Speed
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Chain
Shimano XT M8100, 12-Speed The M8100 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. - Pedals: Not Included
- Brake Levers: TRP EVO Pro
- Brake Calipers: TRP EVO Pro
- Rotors: TRP R1 2.3, 203mm
- Headset: FSA NO.57E
- Stem: RaceFace Turbine R, 40mm
- Saddle: SDG Bel Air 3 LUX
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Seatpost:
Fox Transfer Factory Dropper
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Seatpost
Fox Transfer Factory Dropper The Fox Transfer seatpost is lighter and tighter than ever before. Less weight, reduced length and decreased insertion depth means a better fit on more frames. Improved durability and easier serviceability means more riding and less downtime. Transfer is ready to tackle the nastiest terrain.
“Factory” says it all. The best-of-the-best technology Fox has to offer is available in their Factory Series models with a buttery smooth, ultra durable Genuine Kashima Coat. Fox's Factory products are World Cup proven. - Hubs: DT Swiss Hybrid 350
- Rims: DT Swiss HX 1700
- Spokes: DT Swiss Hybrid 1
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Front Tire:
Schwalbe Magic Mary 2.5" | Trail Evo, Ultra Soft
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Front Tire
Schwalbe Magic Mary 2.5" | Trail Evo, Ultra Soft Magic Mary is indisputably the favorite among Schwalbe Downhill and Enduro athletes. Perfect all-round characteristics for almost all tracks and conditions. The sophisticated intermediate profile is combined with the best compounds and construction, pushing the limits to surprising levels.- Strong shoulder studs and aggressive, open tread design provide maximum braking traction and cornering grip even in extremely muddy terrain.
- Equipped with V-Groves specially developed for Magic Mary, every stud can bite into the ground for even more grip.
- Angled studs in the middle of the tread optimise the rolling characteristics.
- Rear Tire: Schwalbe Albert 2.5" | Trail Evo, Soft
- Warranty: Limited Lifetime (Frame), 2 Years (Drive Unit)
| Size | S | M | L | XL |
| Rider Height | 5' - 5'6" | 5''4" - 6' | 5'9" - 6'3" | 6 - 6'7" |
| Reach (mm) | 425 | 455 | 480 | 510 |
| Stack (mm) | 623 | 632 | 641 | 651 |
| Effective Top Tube (mm) | 551 | 583 | 610 | 643 |
| Seat Tube (mm) | 375 | 400 | 440 | 470 |
| Head Tube Angle (°) | 64.5 | 64.5 | 64.5 | 64.5 |
| Seat Tube Angle (°) | 78.8 | 78.5 | 78.2 | 77.9 |
| Chainstay Length (mm) | 442 | 442 | 442 | 442 |
| Bottom Bracket Height (mm) | 350 | 350 | 350 | 350 |
| Bottom Bracket Drop (mm) | 25 | 25 | 25 | 25 |
| Head Tube Length (mm) | 105 | 115 | 125 | 135 |
| Wheelbase (mm) | 1201 | 1235 | 1271 | 1305 |
| Wheel Size | Mixed Wheel | Mixed Wheel | Mixed Wheel | Mixed Wheel |