Scott Speedster 20 vs Sunn Venture S1

Scott

Speedster 20

Sunn

Venture S1

Entry levelAluminium700c2027

Entry levelAdventure and bikepackingAluminium700c2026

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

ScottScott Speedster 20

SunnSunn Venture S1

At a glance

Differences only

Sunn Venture S1 is 700 g lighter than Scott Speedster 20 (brand figures).
Scott Speedster 20 is the newer model (2027).

Key specs7 differences

Model year 2027 2026

Weight 10.6 kg 9.9 kg −700 g

Frame Aluminium

As printed

Speedster Gravel, D.Butted 6061 alloy, SCOTT ride geometry, Replaceable UDH derailleur hanger, Internal cable routing, Syncros fender kit ready

Aluminium

As printed

ALLOY 6013 EDGE TUBING

Fork model Addict Gravel HMF Flatmount Disc –

Wheelset 700c · Syncros Race X25 Disc 28H 700c · Mach1 Wookx 25 tubeless

As printed

Mach1 Wookx 25 tubeless, taille 700

Drivetrain 1×12 2×12

Groupset Shimano GRX

As printed

Shimano GRX RD-RX822 GS, 12 Speed

Shimano GRX RX820

Brake model Shimano BR-RX410

As printed

Shimano BR-RX410 Hyd. Disc

Shimano GRX BR-RX410

Seatpost Rigid · Syncros RR2.5 27.2/350mm ^{°Value not published by the brand} Rigid · BRUTE CARBON 27,2X300MM (S/M), 27,2X350MM (L/XL) ^{°Value not published by the brand}

Prices

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

Scott Speedster 20

Sunn Venture S1

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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.

Speedster 20 · Gravel bike rather demanding, very stable, short gearing, entry-level equipment.
Venture S1 · Gravel bike rather demanding, entry-level equipment.

Terrain

EasyDemanding

Handling

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.

Scott Speedster 2011 km/h - 44 km/h

Easiest gear (climbing)Hardest gear (descending)

Scott Speedster 20Sunn Venture S1other gravel 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 type– Adventure and bikepacking

As printed

Un cadre taillé pour l’évasion ; amateurs de bikepacking

Suspension Rigid ^{°Value not published by the brand} Rigid ^{°Value not published by the brand}

Frame and fork

Fork Carbon

As printed

Addict Gravel HMF Flatmount Disc, 1 1/4"-1 1/2" eccentric carbon steerer

Carbon

As printed

FULL CARBON HM

Bottom bracket Shimano BB-RS500-PB –

Cable routing Internal

As printed

Internal cable routing

Internal

As printed

FULL INTERNAL CABLE ROUTING

Seatpost diameter 27.2 mm –

Drivetrain4 differences

Groupset brand Shimano

As printed

Shimano GRX RD-RX822 GS, 12 Speed

Shimano

As printed

Shimano GRX RX820 12V

Shifting Mechanical ^{°Value not published by the brand}

As printed

Shimano GRX RD-RX822 GS, 12 Speed

Mechanical ^{°Value not published by the brand}

As printed

SHIMANO GRX RX820 12V AR SHIMANO GRX RX820 2V AV

Chainrings 1 2 +1

Gears at the back 12 12

Chainring teeth Shimano GRX FC-RX610-1, 40T SHIMANO GRX RX610 30X46T 165MM (S) ^{°Value not published by the brand}

Cassette Shimano SLX CS-M7100, 11-45T Shimano 105 R7101 11-36 12v Higher range

Rear derailleur Shimano GRX RD-RX822 GS, 12 Speed SHIMANO GRX RX820 12V AR SHIMANO GRX RX820 2V AV ^{°Value not published by the brand}

Brakes

Brakes Hydraulic disc

As printed

Shimano BR-RX410 Hyd. Disc

Hydraulic disc ^{°Value not published by the brand}

As printed

Shimano GRX 400 Disque hydraulique

Front rotor 160 mm 160 mm

Rear rotor 160 mm 160 mm

Wheels and tyres1 difference

Wheel size 700c / 29"

As printed

Schwalbe G-One RX, 700x45C

700c / 29"

Rims Aluminium ^{°Value not published by the brand} Aluminium ^{°Value not published by the brand}

Tubeless ready– yes ^{°Value not published by the brand}

Tyres Schwalbe G-One RX

As printed

Schwalbe G-One RX, 700x45C

Hutchinson Touareg Reinforced 700x45 TLR

Tyre width fitted 45 mm 45 mm

Cockpit and seatpost3 differences

Handlebar Syncros Creston 2.0 X, Alloy 31.8mm ^{°Value not published by the brand} FLARE 25° 400MM (S) ^{°Value not published by the brand}

Stem Syncros RR2.5, 1 1/4", four Bolt 31.8mm ^{°Value not published by the brand} FLARE 25° 400MM (S) ^{°Value not published by the brand}

Seatpost model Syncros RR2.5 27.2/350mm ^{°Value not published by the brand} BRUTE CARBON 27,2X300MM (S/M), 27,2X350MM (L/XL) ^{°Value not published by the brand}

Weight

Max total weight 120 kg –

Mounts and storage

Mudguard mounts yes –

° 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.

Size of Speedster 20

Size of Venture S1

Differences measured from

Speedster 20 · M

Stack and reach

Speedster 20 · M Speedster 20 · M — Reach (mm) 385.4 · Stack (mm) 574.8
Venture S1 · M Venture S1 · M — Reach (mm) 385 · Stack (mm) 577

Geometry11 differences

Size M M

Reach 385 mm 385 mm −0 mm

Stack 575 mm 577 mm +2 mm

Top tube (effective) 561 mm 556 mm −5 mm

Seat tube 540 mm 480 mm −60 mm

Head tube 148 mm 145 mm −3 mm

Head angle 71° 70.5° −0.5°

Seat angle 73° 73.5° +0.5°

Chainstays 439 mm 435 mm −4 mm

Wheelbase 1,045 mm 1,047 mm +2 mm

Front centre 616 mm 622 mm +6 mm

Standover 806 mm –

BB drop 71 mm –

BB height 283 mm –

Fork offset 50 mm –

Trail 67 mm 120 mm +53 mm

Stem 103 mm –

Where to buy them

Scott Speedster 20
Its full spec sheet Compare the whole Scott Speedster range
Sunn Venture S1
Its full spec sheet Compare the whole Sunn Venture range

Compare the whole Scott Speedster range Compare the whole Sunn Venture range

Frequently asked questions

Which is lighter, Scott Speedster 20 or Sunn Venture S1?

Sunn Venture S1 weighs 9.9 kg, Scott Speedster 20 10.6 kg, as their brands give them.

What groupset do Scott Speedster 20 and Sunn Venture S1 come with?

Scott Speedster 20: Shimano GRX. Sunn Venture S1: Shimano GRX RX820.

How do Scott Speedster 20 and Sunn Venture S1 compare on geometry?

In size M, Scott Speedster 20 has a stack of 575 mm for a reach of 385 mm; in size M, Sunn Venture S1 has 577 mm for 385 mm. More stack for the reach means a more upright position.

Compare other models

Scott Speedster 20 vs Sunn Venture S1

At a glance

Prices

Character

Gearing

Components and specs

Geometry

Stack and reach

Where to buy them

Frequently asked questions

Other comparisons