The Regulator CX Carbon Eagle 90 Complete eBike MTB L Frostberry is available at the following locations.
The item will be transferred to the location you choose during checkout.
If the item is not currently available to view at your desired location, please call your nearest store to arrange for it to be transferred.
The Regulator CX is our all-mountain workhorse designed to provide a nimble and responsive ride with big power. No trail is too tame or gnarly for the dedicated mixed-wheel platform with 150/160 mm travel and geometry that promotes agility and playfulness. The Regulator will be the choice for riders looking for a chassis that excels in a variety of terrain with the added assistance of a Bosch Performance CX drive unit. Known for its legendary reliability, the CX drive unit delivers 85Nm of torque for a powerful and natural ride feel. Enclosed in the downtube is a 600 Wh battery to power big rides while remaining sleek and lightweight for the category. For those looking for extra range, the 250Wh Bosch PowerMore range extender will power you up to 850wh for all-day adventures. This combination provides the best range-to-weight ratio for those who value lighter ride characteristics, giving you the best of both worlds with one of the most reliable, powerful, and intuitive motor systems available on the market.
The dedicated mixed-wheel platform with 150 mm rear and 160 mm front travel make the Regulator CX nimble and responsive while delivering powerful assistance for the steepest of climbs.The Bosch CX system delivers the highest power-to-weight ratio possible. Perfect for riders who want lighter ride characteristics from their eMTB that excels in a wide variety of terrain.
For those looking to dig into the settings, the Bosch Flow app gives you full control and customization. Once paired with your Regulator, you can adjust the power level support and peak power from the convenience of your phone without any wires or a laptop.
Powered by the Bosch CX system, the Regulator gets the legendary reliability of Bosch in a lightweight package giving you 100 Nm of torque and 600w peak power. While powerful, the system also provides an incredibly natural feel that delivers power without breaking traction, keeping your momentum and helping you clear technical trails.
Easily control the power modes and view battery life via the wireless Mini Remote and Bosch Kiosk 400c top tube display. This color display hosts a wealth of information from your bike's settings to stats from the ride.
Head deep into the backcountry with the additional PowerMore 250wh range extender. Custom cable management keeps the connection clean and secure.
Enclosed low in the downtube is Bosch's 600wh battery. It's perfectly sized to provide range for big rides without compromising ride characteristics, the 600Wh battery provides the best range-to-weight balance.
The Regulator is all about making the most of every trail. Easily lay it over in turns, pop off every root, and zip your way back to the top for more. The mixed wheel platform, versatile geometry and 150/160 travel ensure you'll be having fun at all times.
The GiddyUp suspension system is built to deliver great performance without overthinking setup, so you can just grab your bike and ride. It uses a balanced 27% progressive leverage curve with consistent rate change, paired with tuned anti-squat for efficient pedalling and smooth acceleration. Moderate chain growth, which decreases after sag, helps keep suspension active without interference from chain tension.
On trail, this creates a ride that's supple off the top, supportive through the mid-stroke, and ramps up smoothly at the end, working well with both air and coil shocks. A wide 27 to 33% sag range lets riders fine tune the feel from playful to planted, all without needing to fuss with extra adjustments.
| Frame Material: | Carbon |
| Wheel Size: | 29" Front / 27.5" Rear |
| Sizes:: | M, MD, LG, XL |
| Fork Offset: | 44 mm | |||
| Fork Axle-To-Crown: | 579 mm | |||
| Headset (Top): | 44 mm Zero Stack | |||
| Headset (Bottom): | 56 mm Zero Stack | |||
| Chainline: | 55 mm | |||
| Rear Brake Mount: | 180 mm Post Mount, Max Rotor Size 223 mm | |||
| Rear Axle: | Transition Axle For UDH, 12 mm x 148 mm Spacing | |||
| Seat Clamp: | 37.0 mm | |||
| Seatpost Diameter: | 31.6 mm | |||
| Seatpost Insertion Depth: | Small 235 mm | Medium 260 mm | Large 300 mm | X-Large 330 mm |
| Tire Maximum: | 27.5” x 2.6" (*see FAQ) |
| Front Travel: | 160 mm |
| Rear Travel: | 150 mm (Compatible with 160 mm) |
| Shock Size: | 205 x 60 mm (compatible with 205 x 65 mm) |
| Shock Hardware: | Trunnion Mount Top / 30 x 8 mm Bottom |
| Sag Setup: | 150 / 60 mm: 16 - 20 mm (26 - 32%) |
| Bearings: | 2 x 6903, 2 x 6902, 6 x 6802, 2 x 6900 |
| Drive Unit: | Bosch Performance Line CX (BDU38) |
| Battery: | Bosch PowerTube (600 Wh) |
| Display: | See Specification Chart above |
| Controller: | Bosch Wireless Mini Remote |
| Range Extender: | Compatible with Bosch PowerMore 250 Wh Range Extender (See FAQs Below) |
| Frame | Regulator CX Carbon 150 mm |
| Wheel Size | Mixed |
| Drive Unit | Bosch Performance Line CX (BDU38) |
| Battery | Bosch PowerTube (600 Wh) |
| Display | Bosch Kiox 400c |
| Assist Switch | Bosch Wireless Mini Remote |
| Rear Shock | RockShox SuperDeluxe Ultimate (205 x 60 mm) |
| Fork | RockShox ZEB Ultimate (160 mm) |
| Headset | FSA No.57E |
| Stem | Race Face Aeffect R (40 mm) |
| Handlebar | Race Face Turbine SM(780 x 20) MD(780 x 40) LG/XL(800 x 40) |
| Grips | ODI Elite Flow Lock-On |
| Saddle | SDG Bel Air 3 |
| Seatpost | OneUp Dropper Post SM(150 mm) MD(180 mm) LG(210 mm) XL(240 mm) |
| Brakes | SRAM Maven Silver |
| Rotors | SRAM Centerline (200 mm) |
| Shifter | SRAM Eagle 90 MMX |
| Derailleur | SRAM Eagle 90 |
| Cassette | SRAM XS 1275 (10-52T) |
| Chain | SRAM GX Eagle Transmission |
| Crank | SRAM Eagle 90 (150 mm) |
| Chainring | SRAM XX T-Type Direct Mount (34T) |
| Chainguide | Transition Integrated Top Guide |
| Rims | DT Swiss H 1900 Spline 30 |
| Spokes | DT Swiss Hybrid 1 |
| Hubs | DT Swiss Hybrid 370 |
| Tyre/Front | Maxxis Assegai 3C MaxxGrip EXO+ (2.5) |
| Tyre/Rear | Maxxis Minion DHRII 3C MaxxTerra DD (2.4) |
| Included | Bosch Charger, Tubeless Valves & Sealant |
| Weight | 48.1 lbs / 21.84 kg (Size MD) |
Save up to 40% on your next new bike! We accept cycle scheme vouchers
Why should you cycle to work?
Commuting by bike has many benefits including reducing your carbon footprint, improving your fitness and saving you money. With the rising cost of fuel, countless road works and congestion, there's never been a better time to start commuting by bike. We accept Cycle to Work vouchers or offer 0% finance over 12 months to get you commuting by bike.
How does it work?
In essence, your employer buys a bike for you to ride to work and you ‘hire’ it through salary sacrifice (which is where you save by not paying tax and National Insurance contributions on the monthly fees). At the end of the ‘hire’ period, you are usually offered the option to buy the bike from your employer.
Due to the way cycle schemes operate, we charge an admin fee to cover the part of the fees that the scheme incurs for us to provide them. The admin fee is based on the total value quoted for your bike and any accessories. The admin fee is subsidised by us so you're not paying for the total cost of the scheme, just a small percentage.
If the bike is on sale then it is up to the manager's discretion whether there will be an admin fee applicable.
Green Commute Initiative
There is no admin fee when using Green Commute Initiative. If your company hasn't picked a scheme yet, we recommend using this cycle scheme.
Cycle2work, Cycle Scheme, Cycle solutions, Caboodle, Bike2Work
For all other cycle schemes we charge a 10% admin fee. E.G you want a bike that costs £1000, we will charge you a £100 deposit to hold the bike while your voucher is arranged. Your voucher will still need to be for £1000. For sale priced bikes this will differ, please contact us to find out more.
| fork offset: | 44 mm | |||
| fork axle-to-crown: | 579 mm | |||
| headset (top): | 44 mm zero stack | |||
| headset (bottom): | 56 mm zero stack | |||
| chainline: | 55 mm | |||
| rear brake mount: | 180 mm post mount, max rotor size 223 mm | |||
| rear axle: | transition axle for udh, 12 mm x 148 mm spacing | |||
| seat clamp: | 37.0 mm | |||
| seatpost diameter: | 31.6 mm | |||
| seatpost insertion depth: | small 235 mm | medium 260 mm | large 300 mm | x-large 330 mm |
| tire maximum: | 27.5â x 2.6" (*see faq) |
| front travel: | 160 mm |
| rear travel: | 150 mm (compatible with 160 mm) |
| shock size: | 205 x 60 mm (compatible with 205 x 65 mm) |
| shock hardware: | trunnion mount top / 30 x 8 mm bottom |
| sag setup: | 150 / 60 mm: 16 - 20 mm (26 - 32%) |
| bearings: | 2 x 6903, 2 x 6902, 6 x 6802, 2 x 6900 |
| drive unit: | bosch performance line cx (bdu38) |
| battery: | bosch powertube (600 wh) |
| display: | see specification chart above |
| controller: | bosch wireless mini remote |
| range extender: | compatible with bosch powermore 250 wh range extender |
| frame | regulator cx carbon 150 mm |
| wheel size | mixed |
| drive unit | bosch performance line cx (bdu38) |
| battery | bosch powertube (600 wh) |
| display | bosch kiox 400c |
| assist switch | bosch wireless mini remote |
| rear shock | rockshox superdeluxe ultimate (205 x 60 mm) |
| fork | rockshox zeb ultimate (160 mm) |
| headset | fsa no.57e |
| stem | race face aeffect r (40 mm) |
| handlebar | race face turbine sm(780 x 20) md(780 x 40) lg/xl(800 x 40) |
| grips | odi elite flow lock-on |
| saddle | sdg bel air 3 |
| seatpost | oneup dropper post sm(150 mm) md(180 mm) lg(210 mm) xl(240 mm) |
| brakes | sram maven silver |
| rotors | sram centerline (200 mm) |
| shifter | sram eagle 90 mmx |
| derailleur | sram eagle 90 |
| cassette | sram xs 1275 (10-52t) |
| chain | sram GX eagle transmission |
| crank | sram eagle 90 (150 mm) |
| chainring | sram xx t-type direct mount (34t) |
| chainguide | transition integrated top guide |
| rims | dt swiss h 1900 spline 30 |
| spokes | dt swiss hybrid 1 |
| hubs | dt swiss hybrid 370 |
| tyre/front | maxxis assegai 3c maxxgrip exo+ (2.5) |
| tyre/rear | maxxis minion dhrii 3c maxxterra dd (2.4) |
| included | bosch charger, tubeless valves & sealant |
| weight | 48.1 lbs / 21.84 kg (size md) |
| Colours | Clear Blacknight, Frostberry |
| Sizes | L, M, S, XL |
| Brand | Transition |
| Model Year | 2026 |
| SKUs / Part Numbers | 01.26.11.5101, 01.26.11.5102, 01.26.11.5103, 01.26.11.5104, 01.26.11.5105, 01.26.11.5106, 01.26.11.5107, 01.26.11.5108 |