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2026 Transition

Spur Eagle 90

A 29″ carbon frame full suspension trail bike with ultra high-end components.
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Manufacturer Price

$6,499
Weight27.1 lbs  
FrameCarbon
SuspensionFull, 120 / 130mm
ForkFox Performance Elite Float 34
ShockFox Float SL Performance Elite
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetEagle 90 Transmission
BrakesSRAM Hydraulic Disc
SeatpostDropper
View on transitionbikes.comLearn about Transition
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Spur Eagle 90
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

Spur Eagle 90

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Spur model range

View Comparison
Sizing
SM

5'0" – 5'7"

MD

5'4" – 6'0"

LG

5'8" – 6'3"

XL

6'0" – 6'7"

🐐 Estimated

Rider Fit Notes

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.

Price History
Reviews
Loam Wolf
Review: Transition Spur V2

Mar 2026 · Cole Gregg

This Transition Spur V2 finds it a more confident and capable short-travel trail bike without losing an ounce of the pep. See how it rides.

Read Review

Pinkbike
Review: The New Transition Spur is Lightly Revised and Still Just as Fun

Mar 2026 · Mike Kazimer

In-frame storage, adjustable geometry, and a shorter seat tube are a few of the key updates.

Highs
  • Hits the mark when it comes to overall handling.

  • Short stems, higher rise bars, and longer dropper posts are great to see on a 120mm bike.

Lows
  • The frame weight's reasonable, but gram counters may want something even lighter.

  • Even the base model is on the pricier side of things.

Read Review

BIKE Magazine
Tested: Transition Spur

Jan 2025

Why you shouldn't overlook this capable and genre-bending short-travel mountain bike.

Read Review

Mountain Bike Action
LONG TERM REVIEW: TRANSITION SPUR - MINIMIZED EFFORT FOR MAXIMUM TRAIL EXPERIENCE - Mountain Bike Action Magazine

Dec 2024 · Ron Koch

Transition’s lightness, both in feel and on the scales, makes for a bike that can be pedaled farther and pointed down gnarly lines with fresh legs, thanks to the overall efficiency.

Read Review

Singletracks
2024 Transition Spur Test Ride Review

Mar 2024 · Tim Wild

A Sedona hot lap on the new Transition Spur suggests this is a bike that can punch above its weight.

Highs
  • Incredibly light

  • Playful geometry

  • Lifetime frame warranty

Lows
  • Limited colorways

  • Some might like more adjustability on the fame

Read Review

Geometry
Specs
Build
Frame

Spur Carbon 120mm

BB StandardBSA, 73mm, Threaded

Hanger StandardUDH

ColorsNightshade; Frostberry

Fork

Fox Float 34 SL Grip X Performance Elite, (130mm)

Travel130mm

Spring TypeAir

Shock

Fox Float SL Performance Elite, (190x45mm)

Travel120mm

Bottom Bracket

73mm English Thread

Headset

FSA No.42/48/ACB

Stem

RaceFace Aeffect R (40mm)

Handlebar

RaceFace Turbine Bar, SM(760x20mm), MD(780x40mm), LG/XL(800x40mm)

Saddle

SDG Bel Air 3

Seatpost

OneUp Dropper Post, SM(150mm), MD(180mm), LG/XL(210mm)

TypeDropper

Grips

ODI Elite Flow Lock-On

Groupset
Rear Derailleur

SRAM Eagle 90

Crank

SRAM Eagle 90 DUB, (32t/165mm)

Shifters

SRAM Eagle 90 MMX

Cassette

SRAM XS 1275 T-Type (10-52t)

Chain

SRAM GX Eagle Transmission

Brakes

SRAM Motive Silver

TypeSRAM Hydraulic Disc

Wheels
Rims

DT Swiss XR 1700 Spline

Spokes

DT Swiss Competition Straightpull

Front Hub

DT Swiss 350 Spline Ratchet 54

Rear Hub

DT Swiss 350 Spline Ratchet 54

Tires

Front: Maxxis Forekaster 3C EXO+ (2.4), Rear: Maxxis Forekaster 3C EXO+ (2.4)

Disc Rotors

SRAM Centerline (180mm)

Rider Notes
Riders Also Viewed

First added March 7

Last updated May 30