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2025 Storck

AERFAST.4 Pro

A carbon frame aero bike with ultra high-end components and sram red hydraulic disc brakes.

Manufacturer Price

€6,999($8,143)
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12 Electronic
GroupsetRED AXS
BrakesSRAM RED Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
AERFAST.4 Pro
Other Aero 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)

41 mph

AERFAST.4 Pro

40 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.

Sizing
XS

4'11" – 5'6"

SM

5'4" – 5'8"

MD

5'6" – 5'11"

LG

5'9" – 6'1"

XL

5'11" – 6'3"

XXL

6'2" +

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.

Reviews
Bikerumor
Storck Aerfast.4 ultra-aero road bike adds new entry level & premium price points

Jan 2023 · Tyler Benedict

New builds & layups offer more affordable ways to get on Storck's most aerodynamic road bike, plus a Platinum model for the top end customer.

Read Review

Geometry
Specs
Build
Saddle

Fizik Vento Argo R5

Seatpost

Storck Aerfast.4 Carbon

TypeRigid

Groupset
Rear Derailleur

SRAM Red D1 eTap AXS 2x12

Front Derailleur

SRAM Red eTap AXS

Crank

SRAM Red D1 AXS 48/35

Cassette

SRAM Red 12x, 10-33

Chain

SRAM Red

Brakes

SRAM Red Disc 160/160 mm

TypeSRAM RED Hydraulic Disc

Wheels
Rims

DT Swiss PR1600 Spline 32

Tires

Continental Grand Prix 5000S TR black/black 28mm

Rider Notes
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First added December 20

Last updated March 21

Not listed for 69 days