2026 Transition Spur Eagle 90
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Transition Spur
Carbon Eagle 90
Carbon Eagle 90
2026 · 29" · 120mm · Carbon
Frame & Suspension
Frame
Carbon fiber front and rear triangles; molded chainstay, seatstay, and lower down tube protection
Rear Travel
120mm
Rear Shock
FOX FLOAT SL Performance Elite, 190mm × 45mm stroke
Fork
FOX FLOAT 34 SL Performance Elite, GRIP X damper
Fork Travel
130mm
Head Tube
Tapered, 1.125" top, 1.5" bottom
Headset
FSA No.42/48/ACB, IS42 upper, IS52 lower
Cockpit
Handlebar
Race Face Turbine — SM: 760mm / 20mm rise · MD: 780mm / 40mm rise · LG/XL: 800mm / 40mm rise
Stem
Race Face Aeffect R, 40mm
Grips
ODI Elite Flow, lock-on
Brakes
Brakes
SRAM Motive Silver, 4-piston · Rotors: SRAM CenterLine, 180mm
Levers
SRAM Motive Silver Stealth, tool-free reach adjust
Drivetrain
Configuration
1× 12-speed
Shifter
SRAM Eagle 90 Transmission, 12-speed, MMX mounting bracket
Front Derailleur
None
Rear Derailleur
SRAM Eagle 90 Transmission, 12-speed
ISCG Tabs
ISCG05
Chainguide
None
Cranks
SRAM Eagle 90 Transmission Alloy DUB, 165mm
Chainring
SRAM Eagle 90 Transmission, 32T
Bottom Bracket
SRAM DUB, 73mm English/BSA threaded
Pedals
None
Chain
SRAM GX Eagle Transmission Flattop, 12-speed
Cassette
SRAM GX Eagle Transmission XS-1275, 12-speed, 10–52T
Wheels & Tires
Wheel Size
29"
Rims
DT Swiss XR 1700 SPLINE Alloy
Hubs
DT Swiss 350 · 15×110mm Boost front · 12×148mm Boost rear with 54-tooth Ratchet freehub and XD driver
Spokes
DT Swiss Competition, straight-pull
Tires
Maxxis Forekaster, 3C MaxxTerra compound, EXO+ casing, 29" × 2.4"
Max Tire
29" × 2.4"
Seatpost & Saddle
Saddle
SDG Bel-Air V3
Dropper Post
OneUp Dropper — 150mm (SM) · 180mm (MD) · 210mm (LG/XL)
Post Diameter
31.6mm
Clamp
Single bolt, 37.0mm
General
Rear Dropout
12mm × 148mm (Boost)
Bottle Mounts
One inside front triangle, plus accessory mounts under top tube
Colors
Frostberry, Nightshade
Warranty
Lifetime frame
Weight
27 lb 1.5 oz · 12,290 g (size MD)
Notes
- V2 version
- GiddyUp rear suspension design with one-piece pivot-less flex-stay rear triangle
- Geometry adjustable via two-position lower shock mount
- B.O.O.M. Box internal frame storage in down tube
- Internal cable routing with fully-guided tubes
- Loam Hat integrated rear main pivot protection flaps
- SRAM UDH (Universal Derailleur Hanger)
- Includes tubeless valves and sealant
- Photos may show alternate builds
All measurements with 130mm travel fork (541mm axle-to-crown, 44mm offset) · Geometry adjustable via two-position lower shock mount (High / Low) · Effective saddle heights: 600mm (SM) · 660mm (MD) · 720mm (LG) · 780mm (XL)
| Measurement | SMHigh / Low | MDHigh / Low | LGHigh / Low | XLHigh / Low |
|---|---|---|---|---|
| Top Tube Length | 570 / 572mm | 603 / 605mm | 631 / 633mm | 660 / 662mm |
| Reach | 430 / 425mm | 460 / 455mm | 485 / 480mm | 510 / 505mm |
| Stack | 607 / 612mm | 616 / 621mm | 626 / 630mm | 640 / 644mm |
| Head Tube Angle | 66.0° / 65.5° | 66.0° / 65.5° | 66.0° / 65.5° | 66.0° / 65.5° |
| Head Tube Length | 100mm | 110mm | 120mm | 135mm |
| Seat Tube Angle | 77.3° / 76.7° | 76.8° / 76.3° | 76.4° / 75.9° | 76.0° / 75.6° |
| Seat Tube Length | 360mm | 390mm | 430mm | 460mm |
| BB Height | 335mm (−40mm drop) / 328mm (−47mm drop) | 335mm (−40mm drop) / 328mm (−47mm drop) | 335mm (−40mm drop) / 328mm (−47mm drop) | 335mm (−40mm drop) / 328mm (−47mm drop) |
| Chainstay Length | 434 / 436mm | 434 / 436mm | 439 / 441mm | 439 / 441mm |
| Wheelbase | 1163 / 1165mm | 1197 / 1199mm | 1231 / 1233mm | 1262 / 1264mm |
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.