Transition Regulator SX Carbon Deore E-Mountain Bike 2025

Meet the Transition Regulator SX Carbon Deore E-Mountain Bike, a mixed-wheel marvel that brings maximum mayhem to every trail. Powered by Bosch’s incredibly lightweight Performance Line SX motor, this playful e-MTB delivers 55nm of torque with a geometry that balances power and maneuverability on the descent. Its 400wh battery offers enough juice for everyday trail riding with the option of a 250wh range extender for bigger days – perfect for riders trying to strike the right balance between weight and range.

Carbon Fiber Frame
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Lightweight and incredibly strong, Transition's carbon framesets are known for durability and versatility.

Travel
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160mm Front / 150mm Rear

Wheel Size
–
Mixed Wheel (29" Front / 27.5" Rear)

250wh Range Extender Compatible
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MD-XL sizes only. Sold separately.

Bosch Wireless Two Button Mini Remote

Top Tube Mounted System Controller LED Display

Specs

• 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.

• 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.

• 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:
  2 x 12

• 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

• Fork:
  RockShox Lyrik

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  Fork

  RockShox Lyrik
  Built on a deep foundation of adventure, Lyrik is the most versatile fork in the RockShox lineup. With the perfect range of travel for an all-mountain workhorse, Lyrik prioritized weight while maintaining that all-critical stiffness and prowess on the descents.

• Stanchion Diameter (mm):
  35

• Fork Travel (mm):
  160

• Rear Shock:
  RockShox Super Deluxe Select

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  Rear Shock

  RockShox Super Deluxe Select

  It’s sweet, it’s simple, it shreds. Super Deluxe Select lives up to the Super Deluxe family’s winning legacy, loaded with the newest technology built for enduro epics, all in a pocketbook-pleasing package. Featuring new technologies like the DebonAir+ air spring with tunable positive and negative air chambers that allow you to personalize your ride, Hydraulic Bottom Out to cushion the blow on those heavy impact hits, and an updated, broader range of Rebound adjustments.

  Shock Adjustments – Air Spring Pressure, Rebound

• Rear Travel (mm):
  150

• Drive Unit:
  Bosch Performance Line SX

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  Drive Unit

  Bosch Performance Line SX
  The PerformanceLine SXis the lightest and most compact drive unit fromBosch eBikeSystems When riding in a sporty style with a high cadence, it supports you disproportionately to your performance with peaks of up to 600 watts of motor power. With its sensitive and reactive response behavior, it is ideal for all those who ride in sporty style with electric support and are looking for a training effect

• Battery:
  Bosch CPT 400Wh

• Shifters:
  Shimano Deore SL-M6100

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  Shifters

  Shimano Deore SL-M6100
  With quick lever access and a light, responsive lever action, Shimano's Rapidfire Plus Deore shift lever delivers smooth control out on the trail.

• Rear Derailleur:
  Shimano Deore M6100, 12-Speed

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  Rear Derailleur

  Shimano Deore M6100, 12-Speed
  The Shimano Deore M6100 rear derailleurs deliver advanced shifting performance with decreased tension in the low gear position. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano's 12-speed cassettes boosts range.

• Crankset:
  e*thirteen Helix Race Direct Mount, 34t

• Cassette:
  Shimano M6100, 10-51t

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  Cassette

  Shimano M6100, 10-51t
  With its Beam Spider construction, the Shimano Deore M6100 cassette shaves weight while increasing Shimano's MTB gearing range another gear. Using a Micro Spline freehub body and HYPERGLIDE+ tooth profile, the 10-51t cassette delivers advanced shifting performance.

• Chain:
  Shimano M6100

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  Chain

  Shimano M6100
  The M6100 chain provides smooth shifting and enhanced chain retention thanks to an extended portion of the inner plate. The new chain features Quick-Link assembly and is optimized for Hyperglide+ cassettes and Dynamic Chain Engagement+ chainrings.

• Pedals:
  Not Included

• Brake Levers:
  Shimano Deore

• Brake Calipers:
  Shimano Deore M6120

• Rotors:
  Shimano RT66 | 203mm

• Headset:
  FSA NO.57E

• Handlebar:
  RaceFace Chester 35 | SM (780×20) MD/LG/XL (780×35)

• Bar Tape/Grips:
  ODI Elite Flow Lock-On

• Stem:
  RaceFace Aefect R (40mm)

• Saddle:
  SDG Bel Air V3

• Seatpost:
  SDG Tellis Dropper

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  Seatpost

  SDG Tellis Dropper
  The SDG Tellis Dropper is an absolute workhorse.A dropper post and remote combo with unsurpassed durability, reliability and simplicity. This post features a fully sealed cartridge system that'll operate smoothly in the wettest, coldest, and muddiest conditions.

• Hubs:
  Novatech D791SB/D902SB

• Rims:
  WTB ST i30

• Front Tire:
  Maxxis Assegai 2.5" | 3C MaxxTerra, EXO

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  Front Tire

  Maxxis Assegai 2.5" | 3C MaxxTerra, EXO
  Greg Minnaar’s signature tire – the Maxxis Assegai – provides tenacious, predictable grip across the entire profile no matter the lean angle. The Assegai can be used front and rear for a surefooted feel or as a front paired with a faster rolling rear tire.

  • 3C MaxxTerra: Atriple compound ideal for trail riding in all conditions – offers more traction than 3C MaxxSpeed, yet provides better treadwear and less rolling resistance than 3CMaxxGrip.
  • EXO: A cut and abrasion-resistant material added to the sidewalls.
• Rear Tire:
  Maxxis Minion DHR II 2.4" | 3C MaxxTerra, EXO

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  Rear Tire

  Maxxis Minion DHR II 2.4" | 3C MaxxTerra, EXO
  With side knobs borrowed from the legendary Minion DHF, but widened to provide more support, the DHR II corners like no other. The center tread features ramped leading edges to improve acceleration and sipes to create a smooth transition when leaning the bike. Paddle-like knobs on the center tread dig in under hard braking and help keep the bike under control.

  • 3C MaxxTerra: A triple compound ideal for trail riding in all conditions – offers more traction than 3C MaxxSpeed, yet provides better treadwear and less rolling resistance than 3C MaxxGrip.
  • EXO: A cut and abrasion-resistant material added to the sidewalls.
• Warranty:
  Limited Lifetime (Frame), 2 Years (Drive Unit)

Other Notes

Transition products can only be shipped within the United States

Bike Spec and Price Subject to Change