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Transition

Transition Regulator CX 2025

Transition Regulator CX 2025

Regular price £6,999.00
Regular price Sale price £6,999.00
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Low stock: 1 left

SKU:01.25.11.5113

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Regulators, mount up!

The all-mountain workhorse is here to deliver fun on every trail.

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.

Ride Feel Focus

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.

Bosch Flow App

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.

Bosch Performance CX Motor

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.

Display

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.

Bosch PowerMore Range Extender

Head deep into the backcountry with the additional PowerMore 250wh range extender. Custom cable management keeps the connection clean and secure.

Bosch 600 Wh Battery

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.

150 mm rear, 160 mm front travel with mixed wheels

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.

Leverage Curves

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.

  • Clean Cable Routing: Cable routing ports are compatible with 0, 1, or 2 cables and allow brakes to be run on either side.
  • Charge Port: Our custom charge port door uses magnets to ensure it stays closed on even the rowdiest of descents.
  • Integrated Protection: While a preinstalled Loam Hat keeps dirt and debris away from your main pivot bearings.
  • Integrated Chainguide: The sleek and effective top guide keeps the chain in place while being easy to open for maintenance.

General Specs

Frame Material: Carbon
Wheel Size: 29" Front / 27.5" Rear
Sizes:: M, MD, LG, XL

Component Compatibility

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)

Suspension Specs

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

Ebike Specific Specs

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)

Components

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)

Regulator CX Carbon MTB Deore Complete Ebike specification

Colour Options Salish Sea Blue, Glacier White
Frame Regulator CX Carbon 150mm
Wheel Size Mixed
Drive Unit Bosch Performance Line CX
Battery Bosch Powertube 600 Wh
Display Bosch System Controller
Assist Switch Bosch Wireless Mini-Remote
Rear Shock RockShox SuperDeluxe Base (205 x 60 mm)
Fork New RockShox Domain Gold RC (160 mm)
Headset FSA No. 57E
Stem RaceFace Aefect R (40 mm)
Handlebar RaceFace Chester 35
SM (789 x 20)
MD/LG/XL (780 x 35)
Grips ODI Elite Flow Lock-On
Saddle SDG Bel Air V3
Seatpost SDG Tellis
SM (150 mm)
MD (170 mm)
LG (200 mm)
XL (230 mm)
Brakes Shimano Deore M6120 4 Piston
Rotors Shimano RT66 (203 mm)
Shifter Shimano Deore M6100 iSpec EV
Derailleur Shimano Deore M6100 SGS 12 sp
Cassette Shimano Deore M6100 (10-51T)
Chain Shimano Deore M6100
Crank Samox EC39 (150 mm)
Chainring E*Thirteen Helix Core Direct Mount 34T
Chainguide Transition Integrated Top Guide
Rims WTB ST i30
Spokes Pillar Straight Gauge
Hubs Novatech D791SB/D902SB
Front Tyre  
Rear Tyre  
Included Bosch Charger,Tubeless Valves & Sealant

Regulator CX Carbon MTB XT Complete Ebike specification

Colour Options Salish Sea Blue, Glacier White
Frame Regulator CX Carbon 150mm
Wheel Size Mixed
Drive Unit Bosch Performance Line CX
Battery Bosch Powertube 600 Wh
Display Bosch System Controller
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 ANVL Swage (40 mm)
Handlebar OneUp Carbon
SM (800 x 20)
MD/LG/XL (800 x 35)
Grips ODI Elite Flow Lock-On
Saddle SDG Bel Air V3 LUX
Seatpost OneUp Dropper Post
SM (150 mm)
MD (190 mm)
LG (210 mm)
XL (240mm)
Brakes TRP DH-R EVO
Rotors TRP R1 2.3 (203mm)
Shifter Shimano XT M8100
Derailleur Shimano XT M8100 SGS 12 sp
Cassette Shimano XT M8100 (10-51T)
Chain Shimano XT M8100
Crank SRAM S1000 (150 mm)
Chainring E*Thirteen helix Race 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
Front Tyre New Schwalbe Tyre (Ultra Soft 2.5)
Rear Tyre New Schwable Tyre (Soft 2.5)
Included Bosch Charger, Tubeless Valves & Sealant

Regulator CX Carbon Eagle 70 Complete eBike MTB specification

Frame Regulator CX Carbon 150 mm
Wheel Size Mixed
Drive Unit Bosch Performance Line CX (BDU3 8)
Battery Bosch PowerTube (600 Wh)
Display Bosch System Controller (USA/Canada)
Bosch Kiox 400c (International)
Assist Switch Bosch Wireless Mini Remote
Rear Shock RockShox SuperDeluxe Base
(205 x 60 mm)
Fork RockShox Domain Gold RC
(160 mm)
Headset FSA No.57 E
Stem Race Face Aeffect R (40 mm)
Handlebar Race Face Chester 3 5
SM(780 x 20)
MD/LG/XL(780 x 35)
Grips ODI Elite Flow Lock-On
Saddle SDG Bel Air 3
Seatpost SDG Tellis
SM(150 mm)
MD(170 mm)
LG(200 mm)
XL(230 mm)
Brakes SRAM Maven Base
Rotors SRAM Centerline (200 mm)
Shifter SRAM Eagle 70 MMX
Derailleur SRAM Eagle 70
Cassette SRAM XS 1270 (10-52T)
Chain SRAM Eagle 70
Crank Samox EC3 9
(150 mm)
Chainring SRAM T-Type Direct Mount (34T)
Chainguide Transition Integrated Top Guide
Rims WTB ST i3 0
Spokes Pillar Straight Gauge
Hubs Novatech D791 SB/D902 SB
Tyre/Front Maxxis Assegai 3 C MaxxGrip EXO+ (2.5)
Tyre/Rear Maxxis Minion DHRII 3 C MaxxTerra DD (2.4)
Included Bosch Charger, Tubeless Valves & Sealant
Weight TBD
View full details
  • Frame material

    Carbon

  • Wheelsize

    Mixed

  • Front travel

    160mm

  • Rear travel

    150mm

  • Motor brand

    BOSCH

  • Max torque

    85Nm

  • Peak power

    600W

  • Battery capacity

    600Wh

  • 2025 Transition Regulator CX Deore

    Frame

    CX Carbon

    Fork

    RockShox Domain Gold RC

    Shock

    RockShox SuperDeluxe Base (205x60mm)

    Handlebar

    RaceFace Chester 35

    Stem

    RaceFace Aefect R (40mm)

    Headset

    FSA No.57E

    Brakes

    Shimano Deore M6120 4 Piston

    Front rotor

    Shimano RT66 (203mm)

    Rear rotor

    Shimano RT66 (203mm)

    Shifter

    Shimano Deore M6100 iSpec EV

    Rear derailleur

    Shimano Deore M6100 SGS 12sp

    Crankset

    Samox EC39 (150mm), E*Thirteen Helix Core Direct Mount (34t)

    Cassette

    Shimano Deore M6100 (10-51t)

    Chain

    Shimano Deore M6100

    Chain guide

    Transition Integrated Top Guide

    Seatpost

    SDG Tellis SM (150mm) MD (170mm) LG (200mm) XL (230mm)

    Saddle

    SDG Bel Air 3

    Front hub

    Novatech D791SB

    Rear hub

    Novatech D902SB

    Spokes

    Pillar Straight Gauge

    Rims

    WTB ST i30

    Rear rim

    WTB ST i30

    Front tyre

    Maxxis Assegai 3C EXO+ (2.5)

    Rear tyre

    Maxxis Minion DHRII 3C DD (2.4)

    Motor

    Bosch Performance Line CX (BDU38)

    Battery

    Bosch PowerTube

  • 2025 Transition Regulator CX XT

    Frame

    CX Carbon

    Fork

    RockShox ZEB Ultimate (160mm)

    Shock

    RockShox SuperDeluxe Ultimate (205x60mm)

    Handlebar

    OneUp Carbon SM (800x20) MD/LG/XL (800x35)

    Stem

    ANVL Swage (40mm)

    Headset

    FSA No.57E

    Brakes

    TRP EVO PRO

    Front rotor

    TRP R1 2.3 (203mm)

    Rear rotor

    TRP R1 2.3 (203mm)

    Shifter

    Shimano XT M8100

    Rear derailleur

    Shimano XT M8100 SGS 12sp

    Crankset

    SRAM S1000 (150mm), E*Thirteen Helix Race Direct Mount (34t)

    Cassette

    Shimano XT M8100 (10-51t)

    Chain

    Shimano XT M8100

    Chain guide

    Transition Integrated Top Guide

    Seatpost

    OneUp Dropper Post SM (150mm) MD (180mm) LG (210mm) XL (240mm)

    Saddle

    SDG Bel Air 3 LUX

    Front hub

    DT Swiss Hybrid 370

    Rear hub

    DT Swiss Hybrid 370

    Spokes

    DT Swiss Hybrid 1

    Rims

    DT Swiss H 1900 Spline 30

    Rear rim

    DT Swiss H 1900 Spline 30

    Front tyre

    Schwalbe Albert Trail Evo, Ultra Soft (2.5)

    Rear tyre

    Schwalbe Albert Trail Evo, Soft (2.5)

    Motor

    Bosch Performance Line CX (BDU38)

    Battery

    Bosch PowerTube

BOSCH CX Motor

Powered by the Bosch CX system, the Regulator gets the legendary reliability of Bosch in a lightweight package giving you 100nm of torque and 750w 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.

600Wh Battery

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.

BOSCH PowerMoreRange Extender

Head deep into the backcountry with the additional PowerMore 250wh range extender. Custom cable management keeps the connection clean and secure.

Display

Easily control the power modes and view battery life via the wireless Mini Remote and slim System Controller top tube display. This minimal display keeps you focused on the trail ahead, while providing all the necessary info you need to keep riding. Giving you everything you need, and nothing you don't.

BOSCH Flow App

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.