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Giant Contend SL 0 vs Specialized Allez E5 Comp

Giant Contend SL 0, side view

Giant

Contend SL 0

Specialized Allez E5 Comp, side view

Specialized

Allez E5 Comp

Mid-rangeEnduranceAluminium700c2026
Mid-rangeEnduranceAluminium700c2026

Close on the specs and the list price: here are their 14 differences, line by line.

Giant Contend SL 0, side viewGiantGiant Contend SL 0
Specialized Allez E5 Comp, side viewSpecializedSpecialized Allez E5 Comp

At a glance

Key specs3 differences
Model yearSame for all 2026 2026
FrameSame for all Aluminium
As printed

ALUXX-SL Grade Aluminum 12x142mm Thru-axle, Disc

 Aluminium
As printed

Specialized E5 Premium Aluminum

Wheelset 700c · Giant ALP Disc 12mm Thru-Axle, 30mm rim depth 700c · DT R470 Disc
DrivetrainSame for all 2×12 2×12
GroupsetSame for all Shimano 105 Shimano 105
As printed

Shimano 105 R7120, 12 speed Mechanical

Brake model Shimano 105 Hydraulic Disc Brake Shimano 105, Hydraulic disc
Seatpost AL D-fuse SP-2056, 350mm Alloy, 2-bolt Clamp, 12mm offset, 27.2mm, anti-corrosion hardware
Weight–Not given 9.09 kg

Prices

Each model's retailers, delivered to your country, and their prices over time.

Giant Contend SL 0

Giant Contend SL 0

Specialized Allez E5 Comp

Specialized Allez E5 Comp

Affiliate links: no extra cost for you ♥

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

  • Contend SL 0 · Road bike made for very smooth ground, rather nimble, average equipment.
  • Allez E5 Comp · Road bike rather for smooth ground, very stable, average gearing, average equipment.
Terrain
Giant Contend SL 0 7%Specialized Allez E5 Comp 27%1 bike3 bikes · Giant Contend SL 01 bike2 bikes3 bikes · Specialized Allez E5 Comp4 bikes3 bikes1 bike1 bike3 bikes6 bikes1 bike1 bike
EasyDemanding
Handling
Giant Contend SL 0 36%Specialized Allez E5 Comp 94%1 bike3 bikes2 bikes1 bike5 bikes1 bike · Giant Contend SL 01 bike3 bikes2 bikes1 bike1 bike6 bikes3 bikes1 bike1 bike1 bike · Specialized Allez E5 Comp1 bike1 bike
NimbleStable

Gearing

Speed in the lowest and the highest gear at 90 rpm: lower on the left climbs easier, higher on the right goes faster.

  • Specialized Allez E5 Comp12 km/h - 53 km/h
Easiest gear (climbing)Hardest gear (descending)
Giant Contend SL 0Specialized Allez E5 Compother endurance road bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type
Ride typeSame for all Endurance °Value not published by the brand Endurance °Value not published by the brand
Frame and fork2 differences
ForkSame for all Carbon
As printed

Advanced-Grade Composite, Full Carbon, OverDrive Steerer, 12x100mm thru-axle, Disc

 Carbon
As printed

Specialized FACT full carbon

Max tyre clearance 32 mm 35 mm Best of the comparison+3 mm
AxlesSame for all Thru-axles
As printed

12x142mm thru-axle

 Thru-axles
As printed

12x142mm thru-axle

Bottom bracket Shimano, PressFit RS500 °Value not published by the brand Shimano Threaded BSA BB
Cable routing–Not given Internal
As printed

internal cable routing

Drivetrain4 differences
Groupset brandSame for all Shimano Shimano
As printed

Shimano 105 R7120, 12 speed Mechanical

ShiftingSame for all Mechanical
As printed

Shifters: Shimano 105

 Mechanical
As printed

Shimano 105 R7120, 12 speed Mechanical

ChainringsSame for all 2 °Value not published by the brand 2 °Value not published by the brand
Gears at the backSame for all 12 °Value not published by the brand 12
Chainring teeth Shimano 105 50/34T Shimano 105 50/34
As printed

Shimano 105, 12-speed Hollowtech 2, 50/34t

Cassette Shimano 105 11X36T Shimano 105 11-34
As printed

Shimano 105, 12-speed, 11-34t

Rear derailleur Shimano 105 °Value not published by the brand Shimano 105, 12 speed Mechanical °Value not published by the brand
Shifters Shimano 105 °Value not published by the brand Shimano 105, 12 speed Mechanical °Value not published by the brand
Brakes1 difference
BrakesSame for all Hydraulic disc
As printed

Shimano 105 Hydraulic Disc Brake

 Hydraulic disc
As printed

Shimano 105, Hydraulic disc, 160mm rotor

Front rotorSame for all 160 mm 160 mm
Rear rotor 140 mm 160 mm Best of the comparison+20 mm
Wheels and tyres2 differences
Wheel sizeSame for all 700c / 29"
As printed

Giant SR 1 700X28C, 60 TPI

 700c / 29"
As printed

Turbo Pro, 700x30

RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Rim depth 30 mm –Not given
Tyres Giant SR 1 700X28C, 60 TPI Turbo Pro 700x30
Tyre width fitted 28 mm 30 mm +2 mm
Cockpit and seatpost3 differences
Handlebar Giant Contact (w/Flare) Drop: 125mm / Reach: 72m °Value not published by the brand Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp °Value not published by the brand
Stem Giant Contact Aerolight °Value not published by the brand 3D-forged alloy, 31.8mm, 7-degree rise °Value not published by the brand
Seatpost model AL D-fuse SP-2056, 350mm °Value not published by the brand Alloy, 2-bolt Clamp, 12mm offset, 27.2mm, anti-corrosion hardware °Value not published by the brand
Weight
Weighed in size–Not given 56
As printed

Poids Taille 56

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

Contend SL 0 · MAllez E5 Comp · 54CM
  • Contend SL 0 · M
  • Allez E5 Comp · 54CM

Stack and reach

530540550560570580590600340350360370380390400410↖ UprightAggressive ↘Reach (mm)Stack (mm)Contend SL 0 · M — Reach (mm) 379.8 · Stack (mm) 557.8Allez E5 Comp · 54CM — Reach (mm) 370 · Stack (mm) 569
  • Contend SL 0 · M Contend SL 0 · M — Reach (mm) 379.8 · Stack (mm) 557.8
  • Allez E5 Comp · 54CM Allez E5 Comp · 54CM — Reach (mm) 370 · Stack (mm) 569
Geometry17 differences
Size M 54CM
Reach 380 mm 370 mm −10 mm
Stack 558 mm 569 mm +11 mm
Top tube (effective) 545 mm 541 mm −4 mm
Seat tube 480 mm 510 mm +30 mm
Head tube 150 mm 155 mm +5 mm
Head angle 72.5° 72° −0.5°
Seat angle 73.5° 73.3° −0.2°
Chainstays 420 mm 425 mm +5 mm
Wheelbase 998 mm 998 mm +0 mm
Front centre 589 mm 585 mm −4 mm
Standover 744 mm 781 mm +37 mm
BB drop 75 mm 76 mm +1 mm
BB height 261 mm 274 mm +13 mm
Fork offset 50 mm 47 mm −3 mm
Trail 58 mm 64 mm +6 mm
StemSame for all 100 mm 100 mm
Handlebar widthSame for all 420 mm 420 mm
Crank length 170 mm 173 mm +3 mm

Where to buy them

Frequently asked questions

What groupset do Giant Contend SL 0 and Specialized Allez E5 Comp come with?

Giant Contend SL 0: Shimano 105. Specialized Allez E5 Comp: Shimano 105.

How do Giant Contend SL 0 and Specialized Allez E5 Comp compare on geometry?

In size M, Giant Contend SL 0 has a stack of 558 mm for a reach of 380 mm; in size 54CM, Specialized Allez E5 Comp has 569 mm for 370 mm. More stack for the reach means a more upright position.

Other comparisons

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