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Today’s Deals2026 Transition
Spire Alloy Eagle 90
A 29″ aluminum frame full suspension enduro bike with ultra high-end components.
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Manufacturer Price
$5,599| Frame | Aluminum |
|---|---|
| Suspension | Full, 170 / 170mm |
| Fork | RockShox ZEB Ultimate |
| Shock | RockShox Super Deluxe Ultimate |
| Wheels | 29″ Aluminum |
| Drivetrain | 1 × 12 |
| Groupset | Eagle 90 Transmission |
| Brakes | SRAM Maven Bronze Hydraulic Disc |
| Seatpost | Dropper |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Spire model range
View Comparison5'0" – 5'7"
5'4" – 6'0"
5'8" – 6'3"
6'0" – 6'7"
6'2" – 6'10"
🐐 Estimated
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Aug 2024
Andrew’s final look at the 2021 Transition Spire and a few words about the next step in the Secondhand series.
May 2023 · Henry Quinney
Mike Kazimer, Dario DiGiulio, and Henry Quinney ride, rate and review each other's daily drivers, and talk about how some small changes can make a big difference.
| Frame | Spire Alloy 170mm BB Standard: BSA, 73mm, Threaded Hanger Standard: UDH Colors: Galactic Black; Ultra Violet |
|---|---|
| Fork | RockShox ZEB Ultimate, (170mm) Travel: 170mm Spring Type: Air |
| Shock | RockShox Super Deluxe Ultimate, (205x65mm) Travel: 170mm |
| Bottom Bracket | 73mm BSA Threaded |
| Headset | FSA NO.55R/57 |
| Stem | Burgtec Enduro MK3 35 (35mm) |
| Handlebar | Burgtec Ride Wide Alloy Enduro, SM(780x20mm), MD(780x30mm), LG/XL(800x38mm) |
| Saddle | SDG Bel Air 3 |
| Seatpost | OneUp Dropper Post, SM(150mm), MD(190mm), LG(210mm), XL(240mm) Type: Dropper |
| Grips | ODI Longneck V2.1 Lock-On |
| Rear Derailleur | SRAM Eagle 90 |
|---|---|
| Crank | SRAM Eagle 90 DUB, (30t/165mm) |
| Shifters | SRAM Eagle 90 MMX |
| Cassette | SRAM XS 1275 (10-52t) |
| Chain | SRAM GX Eagle Transmission |
| Chain Guide | E*Thirteen Vario Chainguide - Enduro |
| Brakes | SRAM Maven Bronze Type: SRAM Maven Bronze Hydraulic Disc |
| Rims | DT Swiss E 1900 Spline 30 |
|---|---|
| Spokes | DT Swiss Champion |
| Front Hub | DT Swiss 370 Ratchet LN |
| Rear Hub | DT Swiss 370 Ratchet LN |
| Tires | Front: Schwalbe Magic Mary, Radial, Trail Pro, Ultra Soft (2.5), Rear: Schwalbe Albert, Radial, Gravity Pro, Soft (2.5) |
| Disc Rotors | SRAM Centerline (200mm) |
First added December 12
Last updated May 30