The Transition Regulator CX is Transition 's 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 150/160mm travel and geometry that promotes agility and playfulness. The Transition 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 600Wh 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.
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Product |
Transition Regulator CX XT E-Bike |
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Model Year |
2025 |
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Riding Type |
Enduro / All-Mountain |
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Rider |
Unisex |
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Sizes and Geometry |
SM (High, Low) MD (High, Low) LG (High, Low) XL (High, Low) |
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Wheel Size |
27.5" (650b) 29" Other: Mullet |
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E-Bike Class |
Class 1: Pedal Assist (Pedelecs) |
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Motor |
Bosch Performance Line CX, 85 Nm max torque, 600 W peak power |
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Battery |
Bosch PowerTube, integrated Option: Bosch Range Extender, 250 Wh (sizes MD-XL only) |
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Battery Capacity |
600 Wh |
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Display/Remote |
Bosch System Controller top tube integrated LED display, Bosch Wireless Mini Remote |
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Modes |
Turbo, Sport/eMTB, Tour, Eco, Walk Assist |
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Max Speed with Assist |
USA/Canada/New Zealand: 20 mph (32.2 km/h) Other: 15.5 mph (25 km/h) |
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Frame Material |
Carbon Fiber |
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Frame Material Details |
Carbon front and rear triangles, molded chainstay protection |
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Rear Travel |
150mm |
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Rear Shock |
RockShox Super Deluxe Ultimate, trunnion mount, 205mm length x 60mm stroke |
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Fork |
RockShox ZEB Ultimate, 38mm stanchions |
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Fork Travel |
160mm |
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Head Tube Diameter |
Tapered, 1.125" top, 1.5" bottom |
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Headset |
FSA No.57E, ZS44 upper, ZS56 lower |
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Handlebar |
OneUp Carbon, 800mm width, 35mm clamp diameter Rise: 20mm (SM), 35mm (MD-XL) |
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Stem |
ANVL Swage, 40mm length, 35mm bar clamp |
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Grips |
ODI Elite Flow, lock-on |
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Brakes |
TRP EVO PRO, 4-piston, TRP R1 2.3mm-thick 203mm rotors |
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Brake Levers |
TRP EVO PRO, tool-free reach adjust and contact point adjust |
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Drivetrain |
1x |
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Shifters |
Shimano Deore XT M8100, 12-speed |
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Front Derailleur |
None |
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Rear Derailleur |
Shimano Deore XT M8100, 12-speed, SGS cage |
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Chainguide |
Transition integrated upper slider |
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Cranks |
SRAM S1000 Alloy, 150mm length |
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Chainrings |
e*thirteen Helix Race, direct mount, 34 tooth |
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Pedals |
None |
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Chain |
Shimano Deore XT M8100, 12-speed |
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Cassette |
Shimano Deore XT M8100, 12-speed, 10-51 tooth |
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Rims |
DT Swiss H 1900 Spline 30 Alloy, 30mm width |
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Hubs |
DT Swiss Hybrid 370, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with MICRO SPLINE driver |
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Spokes |
DT Swiss Hybrid 1 |
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Tires |
Front: Schwalbe Albert Trail Evo, Addix Ultra Soft compound, 29" x 2.5" Rear: Schwalbe Albert Trail Evo, Addix Soft, 27.5" x 2.5" |
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Saddle |
SDG Bel-Air V3, Lux-Alloy rails |
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Seatpost |
OneUp dropper Drop: 150mm (SM), 180mm (MD), 210mm (LG), 240mm (XL) |
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Seatpost Diameter |
31.6mm |
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Seatpost Clamp |
Single bolt, 37.0mm |
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Rear Dropout / Hub Dimensions |
12mm x 148mm (Boost) |
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Max. Tire Size |
27.5" x 2.6" |
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Bottle Cage Mounts |
One inside front triangle |
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Colors |
Salish Sea Blue, Glacier White |
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Warranty |
Lifetime frame, 2 years motor and battery |
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Weight |
46 lb 15.7 oz (21,310 g) |
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Miscellaneous |
• GiddyUp Four-Bar Horst-Link rear suspension design • Mixed ("Mullet") wheels: 29" front, 27.5" rear • Geometry adjustable via two-position flip chip in lower shock mount • Rear travel can be increased to 160mm with longer-stroke (65mm) shock • Internal cable routing • Custom charge port cover with integrated range extender cable management • SRAM UDH (Universal Derailleur Hanger) • Power settings customizable via Bosch eBike Flow Mobile App • Weight listed for size MD • Includes Bosch battery charger • Includes tubeless valves and sealant |