Transition Relay Carbon GX E-Mountain Bike 2025
Model Info
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Product Info
The Transition Relay Carbon GX E-Mountain Bike is a light and nimble mid-power (60Nm) go-anywhere ripper with the aggressive geo and excellent ride quality you'd expect from a Transition. But this ebike has a secret superpower, because when you take the battery out, you can still pedal it. Yeah, that's right, it's two great bikes in one, convertible between lightweight eeb and traditional enduro bike. In fact, that's just the start – the Relay frame allows for tinkering with setup as well, with the ability to take air or coil shocks, 160 or 170mm travel, and/or mixed wheel sizing. This is easily half a dozen dream bikes in one – the perfect rig for riders who like to do a bit of everything.
Product Details
Key Features
Carbon Fiber Frame – Lightweight and incredibly strong, Transition's carbon framesets are known for durability and versatility.
Travel – 160mm Front / 160mm Rear
Wheel Size – 29"
Fazua Ride 60 Drive Unit – 60 Nm of torque but more compact and lighter weight than full-power systems.
Fazua Ring Controller – The simple and ergonomic ring controller adjusts modes with a gentle nudge up or down. Pushing it up increases the power level, pushing it down decreases power level, pushing inward will activate walk mode. Holding the controller up for 2 seconds from any assistance mode will activate a boost mode, giving you peak system power output for roughly ten seconds.
Speed Balanced Geometry – SBG ensures the bike maintains low speed agility, front wheel traction, and proper rider weight balance while increasing confidence in steep terrain and at high speeds. With SBG, a slacker head tube angle is combined with an all new reduced offset fork standard, preventing the front wheel from being too far in front of the rider. This improves front to rear weight distribution on the bike, which is often out of balance on long and slack bikes. One of SBG's greatest benefits is that it creates a confident steering feel that adapts to wheel speed. More stability when going fast, more agility on technical slow speed maneuvering as well as improved traction, control and confidence for any skill level of rider.
Coil and Air Shock Compatible – With 26% progression, the rear suspension is fully compatible with both air and coil shocks without worrying about harsh bottom out.
Long Dropper Insertion – With an uninterrupted seat tube, you are free to drop your post all the way to the collar, allowing for long droppers on every size.
Chainring Bashguard – Designed in-house, the forged spider bashguard keeps the chain, chainring, and frame safe from impacts.
Internal Cable Routing – Fully internal cable routing is a breeze with easy access through the battery door, while ports in the headtube keep it quick and easy to work on the headset.
UDH Compatible – SRAM's Universal Derailleur Hanger is available at almost every bike shop, should something go wrong.
Gear Accessory Mount – An underside top-tube accessory mount allows you to carry a spare tube or other goodies safely on your frame in case you are looking to ditch your pack.
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:
Enduro
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Used For
Enduro If you’re looking for maximum performance while flying down heavier trails, an enduro bike is for you. These bikes combine ample suspension travel (typically 150mm+) with descent-focused frame geometry and components that allow for reasonably efficient pedaling.
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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:
RockShox Lyrik Select+
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Fork
RockShox Lyrik Select+ Faster. Stronger. Ruthlessly efficient. The new Lyrik is the most versatile fork in our lineup, built on a deep foundation of adventure. With an up-for-anything, down-for-it-all attitude, Lyrik Select+ features a new lightweight 35mm chassis with all-new Charger 3 RC damper, and the confidence-inspiring new DebonAir+ air spring. Let the new Lyrik sing. - Stanchion Diameter (mm): 35
- Fork Travel (mm): 160
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Rear Shock:
RockShox Super Deluxe Select+
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Rear Shock
RockShox Super Deluxe Select+ Dreaming of steep climbs, views from the top, and charging bold, technical descents? The mountains are calling and Super Deluxe Select+ is the answer. Loaded with podium-proven technology designed to elevate the hardest-hitting all-mountain bikes to new heights. From the all-new DebonAir+ air spring with tunable positive and negative air chambers to the optional Hydraulic Bottom Out to cushion the blow on heavy impact hits, the only tough decision is which trail to hit today.
Shock Adjustments - Separate and Independent Open / Threshold Positions, Air Spring Pressure, External Rebound
- Rear Travel (mm): 160
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Drive Unit:
Fazua Ride 60
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Drive Unit
Fazua Ride 60 The lightweight 60Nm Fazua Ride60 drive unit weighs 4.3lb/1.96kg. The minimal drag and power to weight ratio provide the magic when not riding with power. As you begin to ride beyond the speed cutoff you're not penalized when continuing to push beyond the assistance like that of traditional eMTBs. The 430Wh battery, 60Nm torque, 250Wh continuous power, 450Wh peak power, and overall bike weight work harmoniously together. This all equates to an experience that exceeds what you might expect from its numbers. -
Battery:
Fazua Energy 430Wh
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Battery
Fazua Energy 430Wh The Fazua Energy 430Wh battery is powerful, compact and lightweight, delivering 430Wh of power and integrating seamlessly into the frame. -
Shifters:
SRAM GX Eagle
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Shifters
SRAM GX Eagle With intuitive thumb actuated triggers, the GX Eagle shifter's positive feel gives the rider input to make shifts crisp and discernible every time. Its legendary reliability continues for all-day epics and all-time experiences, with an aluminum trigger ready for inevitable punishment and MatchMaker X compatibility. -
Rear Derailleur:
SRAM GX Eagle, 12-Speed
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Rear Derailleur
SRAM GX Eagle, 12-Speed The GX Eagle derailleur gets it done with an updated cage architecture that improves chain management. Refined to work with the new 10-52t cassettes, it’s also backwards compatible for the 10-50t versions. -
Crankset:
Praxis eTor AL
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Crankset
Praxis eTor AL Cold Forged Alloy arm sets for many e-Bike motors. -
Cassette:
SRAM GX Eagle XG-1275, 10-52t
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Cassette
SRAM GX Eagle XG-1275, 10-52t The new 10-52 Eagle cassette for riders who prioritize all day function over anything else. With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs. Featuring FULL PIN technology that uses lightweight, precision engineered steel cogs permanently connected with high-strength stainless steel pins. An open design similar to our X-DOME cassette that aids in mud clearance, giving riders crisp shifting performance and longer component life.
FEATURES- 520-percent gear range utilizing the industry standard XD hub driver.
- Light and strong FULL PIN technology similar to X-DOME bringing true 1x gear range to more riders and builds.
- Lunar and black colorway makes the XG-1275 cassette right at home on any build.
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Chain:
SRAM GX Eagle, 12-Speed
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Chain
SRAM GX Eagle, 12-Speed The GX Eagle chain is designed with SRAM's Eagle geometry, the GX Eagle chain features solid pin construction, Eagle PowerLock and smooth, efficient shifting that you can count on every time out.
FEATURES- All-new Eagle PowerLock chain connector with FLOW LINK technology provides better chain-guiding and increased longevity.
- Unique features and design also provide significantly improved wear resistance on Eagle cassettes and rings.
- Pedals: Not Included
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Brake Levers:
SRAM Maven Bronze
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Brake Levers
SRAM Maven Bronze SRAM Maven Bronze features monstrous 18 and 19.5mm pistons driving 50% more power than Code. But best-in-class power means nothing unless you’re able to harness it. The Maven Bronze lever body houses Swinglink, which translates rider input for progressive power throughout the lever pull, maintaining SRAM’s signature ride feel. And because of a stiff 4-bolt caliper that sheds an incredible amount of heat, that feel remains consistent, so the last corner feels like the first corner. Maven Bronze features a Dark Polar Anodized finish, and tool-free Reach Adjust. - Brake Calipers: SRAM Maven Bronze
- Rotors: SRAM Centerline | 200mm
- Headset: FSA No.55R
- Stem: ANVL Swage | 40mm
- Saddle: SDG BelAir 3
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Seatpost:
OneUp Dropper | XS: 120mm / S: 150mm / M: 180mm / L-XXL: 210mm
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Seatpost
OneUp Dropper | XS: 120mm / S: 150mm / M: 180mm / L-XXL: 210mm Known for its no-nonsense smooth cable actuation, short overall length, and easy serviceability, the OneUp Dropper is a solid choice for dependable and customizable performance. - Hubs: DT Swiss 370 Ratchet LN
- Rims: DT Swiss E 1900 Spline 30
- Spokes: DT Swiss Champion
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Front Tire:
Maxxis Assegai 2.5" | 3C, EXO+
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Front Tire
Maxxis Assegai 2.5" | 3C, 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.- EXO+: Durable 60 TPI casing, legendary EXO puncture protection in the sidewalls, and a small butyl insert around the bead to protect from pinch flats and help prevent rim damage.
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Rear Tire:
Maxxis Minion DHR II 2.4" | 3C, EXO+
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Rear Tire
Maxxis Minion DHR II 2.4" | 3C, 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.- EXO+: Durable 60 TPI casing, legendary EXO puncture protection in the sidewalls, and a small butyl insert around the bead to protect from pinch flats and help prevent rim damage.
- Warranty: Limited Lifetime (Frame and Bearings)
| Size | XS | S | M | L | XL | XXL |
| Rider Height | 4'8" - 5'2" | 5' - 5'6" | 5''4" - 6' | 5'9" - 6'3" | 6 - 6'7" | 6'2" - 6'8"+ |
| Reach (mm) | 410 | 430 | 460 | 485 | 510 | 535 |
| Stack (mm) | 590 | 615 | 628 | 643 | 646 | 655 |
| Effective Top Tube (mm) | 523 | 553 | 586 | 614 | 642 | 671 |
| Seat Tube (mm) | 380 | 390 | 410 | 130 | 460 | 490 |
| Head Tube Angle (°) | 64 | 64 | 64 | 64 | 64 | 64 |
| Seat Tube Angle (°) | 79.7 | 79.1 | 78.4 | 77.8 | 77.3 | 77 |
| Chainstay Length (mm) | 436 | 442 | 442 | 448 | 448 | 448 |
| Bottom Bracket Height (mm) | 340 | 350 | 350 | 350 | 350 | 350 |
| Bottom Bracket Drop (mm) | 15 | 25 | 25 | 25 | 25 | 25 |
| Head Tube Length (mm) | 100 | 100 | 115 | 125 | 135 | 145 |
| Wheelbase (mm) | 1167 | 1208 | 1244 | 1280 | 1309 | 1338 |
| Complete Weight (lbs) | 43.1 | |||||
| Complete Weight (kg) | 38.1 | |||||
| Wheel Size | 27.5" (650b) | 29" | 29" | 29" | 29" | 29" |