2026 Transition Spire Alloy Eagle 70 Bike
- Free Domestic shipping
- Low stock - 3 items left
- Backordered, shipping soon
Key Features
- Burly Spire Alloy frame with 170mm of travel and a dedicated 29-inch wheel platform for maximum stability.
- Equipped with the new SRAM Eagle 70 groupset, featuring a 10-52t wide-range cassette.
- High-performance suspension featuring the RockShox Domain Gold RC fork and Super Deluxe Base rear shock.
- Powerful SRAM Maven Base 4-piston hydraulic brakes for massive stopping power on steep descents.
- Speed-balanced geometry with a 63°/62.5° head tube angle for confidence at high velocities.
- SDG Tellis dropper post with size-specific travel ranging from 150mm to 230mm.
- RaceFace Aeffect R and Chester 35 cockpit components for a durable and rigid front end.
- Maxxis Assegai/Minion DHRII tire combination with 3C compound and EXO protection for superior grip.
Full Specifications
| Frame | Spire Alloy 170mm Travel |
|---|---|
| Rear Shock | RockShox Super Deluxe Base (205x65mm) |
| Fork | RockShox Domain Gold RC (170mm) |
| Headset | FSA NO.55R/57 |
| Stem | RaceFace Aeffect R (40mm) |
| Handlebar | RaceFace Chester 35, 780mm Width (Rise: 20mm SM / 35mm MD-XL) |
| Grips | ODI Longneck V2.1 Lock-On |
| Brakes | SRAM Maven Base 4-Piston |
| Rotors | SRAM Centerline 203mm |
| Rear Derailleur | SRAM Eagle 70, 12-Speed |
| Shifters | SRAM Eagle 70 MMX |
| Cassette | SRAM XS 1270 (10-52t) |
| Chain | SRAM Eagle 70 |
| Crankset | SRAM Eagle 70 DUB (30t / 165mm) |
| Chainguide | E*Thirteen Vario Chainguide - Enduro |
| Rims | WTB ST i30 |
| Hubs | Novatech D791SB (Front) / D902SB (Rear) Superboost |
| Tires | Front: Maxxis Assegai 2.5 3C EXO TR / Rear: Maxxis Minion DHRII 2.4 3C EXO TR |
| Seatpost | SDG Tellis Dropper (SM: 150mm, MD: 170mm, LG: 200mm, XL: 230mm) |
| Saddle | SDG Bel Air 3 |
| Included | Tubeless Valves & Sealant |
Geometry
| Size | SM (High / Low) | MD (High / Low) | LG (High / Low) | XL (High / Low) | XXL (High / Low) |
|---|---|---|---|---|---|
| A. Reach | 430 / 425mm | 460 / 455mm | 485 / 480mm | 510 / 505mm | 535 / 530mm |
| B. Stack | 619 / 624mm | 619 / 624mm | 628 / 633mm | 637 / 642mm | 646 / 651mm |
| D. Seattube Length | 360mm | 390mm | 430mm | 460mm | 490mm |
| E. Eff. Seattube Angle | 79.6° / 79.1° | 78.8° / 78.3° | 78.1° / 77.6° | 77.5° / 77.0° | 77.2° / 76.7° |
| G. Headtube Angle | 63° / 62.5° | 63° / 62.5° | 63° / 62.5° | 63° / 62.5° | 63° / 62.5° |
| H. Chainstay Length | 446 / 448mm | 446 / 448mm | 446 / 448mm | 452 / 454mm | 452 / 454mm |
| I. Wheelbase | 1227 / 1229mm | 1257 / 1259mm | 1287 / 1289mm | 1322 / 1324mm | 1352 / 1354mm |
| K. BB Height | 350 / 343mm | 350 / 343mm | 350 / 343mm | 350 / 343mm | 350 / 343mm |
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.