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2021 Transition

Spur Carbon XO1

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

$6,499
Weight25.1 lbs  
FrameCarbon
SuspensionFull, 120 / 120mm
ForkRockShox SID Ultimate
ShockRockShox SIDLuxe Ultimate
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetX01 Eagle, X1
BrakesSRAM G2 RSC Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Spur Carbon XO1
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 Carbon XO1

26 mph

Similar Bikes

Highest gear

(descending)

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

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Reviews

Summary

The Transition Spur is a lightweight, full-carbon trail bike that excels in both climbing and descending, offering a perfect blend of efficiency and fun. Its modern geometry and suspension design make it a versatile choice for a variety of terrains, from XC trails to more aggressive trail riding. The bike's design encourages longer rides and bigger adventures, with a focus on speed and capability.

Pros
  • Lightweight and efficient climber

  • Modern geometry for versatile trail performance

  • Excellent suspension design for both climbing and descending

  • High-quality carbon construction

  • Encourages longer, more adventurous rides

Cons
  • Higher entry-level price point

  • May not suit die-hard XC racers

  • Carbon-only construction may not appeal to all

Key Quotes
The Spur quickly rose into the top spots of many testers’ ‘favorite’ lists at The Beta Tests.
Beta logoBeta
This bike is here to party
BIKE Magazine logoBIKE Magazine
Transition’s Spur XO1 is the best-realised ‘down-country’ bike we’ve ever tested.
MBR logoMBR

Feedback?

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Pinkbike
Staff Rides: Mike Kazimer's Transition Spur

Nov 2021 · Mike Kazimer

Call it a downcountry bike, a short-travel trail bike, or an aggressive XC bike, at the end of the day this Spur is all about having a good time, no matter which way the trail points..

Read Review

BikeRadar
Transition Spur X01 review

Jul 2021 · Robin Weaver

The Spur manages to balance speed and efficiency with more than enough downhill composure that would put a lot of longer travel trail bikes to shame

Highs
  • Great geometry

  • Smooth and composed downhill

  • Sprightly and efficient uphill

  • Reactive and fun to ride

Lows
  • Needs a 180mm rear rotor as standard

Read Review

NSMB
2021 Transition Spur v. Santa Cruz Tallboy

Feb 2021

Long-term review and comparison of two category-bending short-travel mountain bikes – both of which are happy to wrestle a weight class up.

Highs
  • Excels at long days and quick rips

  • Progressive pedaling platform, stiff and efficient

  • Snaps and pops, playful

  • Confidence-inspiring geometry

  • Good small bump compliance for comfort

  • Well-engineered hardware, durable paint

Lows
  • Flex in the chassis at speed in rougher terrain

  • Less traction than bigger bikes on steep technical terrain

  • Premature bushing wear in SiD fork

  • Stock DT Swiss wheels felt flimsy (cheesium)

Read Review

Beta
The Beta Tests: Transition Spur X01

Feb 2021 · Nicole Formosa

With how perfectly the Transition Spur walks the line between XC and trail, you'd never know it was the brand's first go at it.

Highs
  • A true modern trail bike

  • Super efficient climber

  • Parts spec skewed for descending

  • Lightweight (5.4 pound frame, 25.2 reported test weight)

  • Lifetime warranty

Lows
  • Entry-level price for a complete bike is $5,000

  • May not be XC enough for die-hard racers

Read Review

Revolution Mountain Bike Magazine
[R]eviewed // Transition Spur

Dec 2020 · Scott Prendergast

Say hello to the latest release from Transition Bikes called the Spur, which slots into a category that the brand hasn’t had an offering in to date. Ever heard of a bike category called ‘down country’? If not, think of it as ‘XC’ but without the mandatory shaving of your legs and removing the peak from the front of your helmet. From a traditionally very gravity orientated bike brand we were more than a little curious when we heard that […]

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MBR
Transition Spur X01 review - MBR

Dec 2020 · Mick Kirkman

Transition Spur joins the downcountry mountain bike wave. Sporting modest amounts of suspension travel but not shying away from aggressive geometry.

Highs
  • Perfect speed/capability ratio.

Lows
  • Business-like way it keeps wheels on the ground.

Read Review

BIKE Magazine
Transition Introduces the Spur

Jun 2020

The latest in a new wave of aggressive cross-country bikes is the Transition Spur. Equal parts going big and going fast, the Spur doesn't appear to like compromise.

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Bikerumor
New Transition Spur mountain bike offers 120mm of all-country GiddyUp for your next XC / Trail adventure

Jun 2020 · Zach Overholt

Don't let the 120mm number fool you. The new Transition Spur is here to party - after pedaling up the entire mountain beforehand, of course.

Read Review

Geometry
Specs
Build
Frame

Spur Carbon 120mm

ColorsDeep Sea Green; Black Powder

Fork

RockShox SID Ultimate, 120mm, 44mm Offset

Travel120mm

Shock

RockShox SIDLuxe Ultimate

Travel120mm

Headset

Cane Creek 40 Series

Stem

RaceFace Turbine R (50mm)

Handlebar

OneUp Carbon Bar (800mm x 20mm)

Saddle

ANVL Forge Cromo

Seatpost

OneUp Dropper Post, SM (120mm), MD (150mm), LG (180mm), XL (210mm)

TypeDropper

Grips

Sensus Lite

Groupset
Rear Derailleur

SRAM XO1 Eagle

Crank

SRAM X1 Carbon DUB, (32t/175mm), Small 170mm

Shifters

SRAM XO1 Eagle

Cassette

SRAM XG 1295 (10-52t)

Chain

SRAM XO1 Eagle

Brakes

SRAM G2 RSC

TypeSRAM G2 RSC Hydraulic Disc

Wheels
Rims

DT Swiss XR 1700 Spline 25

Tires

Front: Maxxis Dissector 3C EXO (29x2.4), Rear: Maxxis Rekon 3C EXO (29x2.4)

Disc Rotors

SRAM Centerline (180/160mm)

Rider Notes
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First added July 1

Last updated August 14

Not listed for 1,749 days