Transition TransAM Complete Mountain Bike 2025
sku# 250228
Model Info
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Product Info
Hardtails have always been fun, but there's something even more appealing about them in today's beep borp world. A device-free day on the simple Transition TransAM Complete Mountain Bike will have you buzzing (and exhausted) from the pure fun of it all: no batteries, no apps, no rear suspension. Just high quality 4130 steel and the power of your pedals. This classic model has been out of Transition's lineup for a while, and this limited return sees that marvelous Marzocchi guiding its slacker (64°) front end through whatever roots, rocks, berms, and trails you can find. If you're looking to unplug and get lost, the TransAM is your vehicle.
Product Details
Key Features
4130 CrMo Steel Frame
Travel – 150mm Front
Wheel Size – 29"
Universal Derailleur Hanger – SRAM's Universal Derailleur Hanger is available at almost every bike shop, should something go wrong.
Adjustable Dropouts – Sliding dropouts mean you can adjust the rear end from 425 to 437mm.
2 Water Bottle Mounts
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:
Downcountry, 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.
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Suspension:
Hardtail
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Suspension
Hardtail As the name suggests, hardtail bikes feature a rigid frame with front suspension only. This means that the rear wheel lacks any form of suspension, hence the term "hardtail."
Hardtail mountain bikes are renowned for their efficiency in transferring power from the pedals to the rear wheel, making them excellent choices for climbing and maintaining speed on smoother trails or paved surfaces.
- Frame Material: Steel
- Gearing: 1 x 12
- Water Bottle Mounts: 2
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Fork:
Marzocchi Bomber Z2
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Fork
Marzocchi Bomber Z2 When mountain bike suspension first hit the ground, things were simpler. The best bike was the one you were riding; uphill, downhill, quick laps or all-day epics. The Bomber Z2 revives this purist mindset with a smooth and plush mountain bike fork that’s ready to ride out of the box.
Trail riders rejoice — your low maintenance, high durability solution is here, and it’s worthy of the Bomber name. Long live fun. Features a stiff 34mm chassis for precise steering and traction. - Stanchion Diameter (mm): 34
- Fork Travel (mm): 150
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Shifters:
SRAM NX Eagle
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Shifters
SRAM NX Eagle The NX Eagle™ trigger shifter means on-demand gear selection throughout the entire wide range Eagle™ cassette. The massive range means you never have to worry about having the right gear for the terrain. -
Rear Derailleur:
SRAM NX Eagle, 12-Speed
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Rear Derailleur
SRAM NX Eagle, 12-Speed This new NX Eagle™ derailleur features the proven SRAM 1x-specific X-HORIZON™ design. The larger, 14-tooth X-SYNC™ lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity, and also adds to NX Eagle's overall smooth-pedaling feel. The Type-3 ROLLER BEARING CLUTCH™ provides quiet, consistent performance and durability. -
Crankset:
SRAM Descendant 6K DUB
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Crankset
SRAM Descendant 6K DUB The Descendant 6K crankset delivers consistent performance every time out. Featuring SRAM's X-SYNC™2 tooth profile chainring, the Descendant crankset is engineered for complete chain control. Each tooth's thickness is precisely toleranced and controlled to work seamlessly with the SRAM chain's inner and outer links. SRAM DUB™ technology features a better-engineered bottom bracket and a new spindle design. Together, these allow for a more uniform approach to bottom bracket fitment, better sealing against contamination and forward and backward compatibility. Now everyone can benefit from a new measure of durability.
FEATURES- The DESCENDANT 6K crankset is compatible with the SRAM Eagle™ drivetrain systems.
- Featuring SRAM's X-SYNC™2 tooth profile.
- The DESCENDANT crankset is engineered for complete chain control.
- Most affordable aluminum X-SYNC™ direct mount crankset.
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Cassette:
SRAM NX Eagle PG-1230, 11-50t
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Cassette
SRAM NX Eagle PG-1230, 11-50t Ride anywhere with the wide-range PG-1230, 11- to 50-tooth Eagle cassette. The NX cassette gives riders every bit of the climbing range that the Eagle™ ecosystem affords with a simple upgrade to splined-drive body wheels. -
Chain:
SRAM NX Eagle, 12-Speed
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Chain
SRAM NX Eagle, 12-Speed The basis of every Eagle drivetrain is its chain-and the NX Eagle chain is designed and manufactured using genuine SRAM's Eagle architecture, so it is fully compatible with every other component in the Eagle ecosystem. The NX Eagle chain features solid pin construction, Eagle PowerLock and smooth, efficient shifting that you can count on every time out.
FEATURES- 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.
- Bottom Bracket: 73mm BSA Threaded
- Pedals: Not Included
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Brake Levers:
SRAM DB8
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Brake Levers
SRAM DB8 DB8 is SRAM's simple, robust, and powerful brake for riders who prefer to set and forget. The low maintenance Mineral Oil system uses proven lever technologies and features easy adjustment access and superior ergonomic comfort. Code-like power is no surprise, as DB8 utilizes similar caliper architecture and existing brake pads. - Brake Calipers: SRAM DB8
- Rotors: SRAM Centerline | 200mm Front / 180mm Rear
- Headset: FSA No.10
- Stem: RaceFace Aeffect R | 40mm
- Saddle: SDG Bel Air 3
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Seatpost:
OneUp Dropper | S: 150mm / M: 180mm / L-XL: 210mm
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Seatpost
OneUp Dropper | S: 150mm / M: 180mm / L-XL: 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: Novatech D791SB/D902SB
- Rims: WTB ST i30
- Spokes: Pillar Double Butted
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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
| Size | M | L |
|---|---|---|
| Rider Height | 163 - 183 | 173 - 188 |
| Reach (mm) | 460 | 485 |
| Stack (mm) | 641 | 646 |
| Effective Top Tube (mm) | 614 | 640 |
| Seat Tube (mm) | 400 | 430 |
| Head Tube Angle (°) | 64.0 | 64.0 |
| Seat Tube Angle (°) | 76.5 | 76.5 |
| Chainstay Length (mm) | 425 | 425 |
| Bottom Bracket Height (mm) | 320 | 320 |
| Bottom Bracket Drop (mm) | 50 | 50 |
| Head Tube Length (mm) | 105 | 110 |
| Wheelbase (mm) | 1219 | 1246 |
| Complete Weight (lbs) | 33 | |
| Complete Weight (kg) | 14.97 | |
| Wheel Size | 29" | 29" |