Promax Impact Top Load Stem
Top Pick
Promax

Promax Impact Top Load Stem

4.6

Best lightweight upgrade for competitive BMX racers seeking maximum front end stability.

Built for the rigors of BMX, this top-load stem balances strength and weight through precision engineering. The cold-forged aluminum construction ensures reliability, while CNC machining keeps the profile clean and lightweight for responsive handling.

$40.00

In stock

at

Universal Cycles

Stem Length Mm
Stem Angle Degrees 5
0
5
Steerer Tube Clamp Diameter Mm 28.6
25.4
28.6
Handlebar Clamp Diameter Mm 22.2
22.2
31.8

Who it's for

  • BMX racers seeking a durable yet lightweight front-end setup
  • Aggressive riders who prioritize handlebar stability and safety
  • Style-conscious cyclists wanting a polished and modern appearance

Who should skip it

  • Tall riders requiring significant handlebar height for ergonomic comfort
  • Hardcore street riders who frequently subject components to massive impacts
  • Custom builders using modern oversized handlebar standards

Performance breakdown

Structural Integrity

Cold-forged 6061-T6 aluminum provides exceptional strength for aggressive BMX riding.

Excellent

Weight Optimization

Precision CNC machining sheds excess material without compromising critical clamp strength.

Excellent

Steering Responsiveness

Top-load design offers a stiff, direct feel for precise bike control.

Excellent

Installation Ease

Standard dimensions ensure a straightforward, hassle-free setup on most BMX forks.

Excellent

Clamp Security

Robust bolt interface keeps handlebars locked firmly during high-impact landings.

Excellent

Aesthetic Finish

Clean, refined lines look sharp on any park or street build.

Excellent

Key Specs

Material

6061-T6 Aluminum

Stem Type

Top Load

Steerer Tube Clamp Diameter

28.6mm (1-1/8 inches)

Handlebar Clamp Diameter

22.2mm

Stack Height

30.5mm

Stem Angle

5 degrees

Weight

242g

Construction

Cold forged and CNC machined

Know before you buy

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Promax Impact Top Load Stem

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Universal Cycles
Universal Cycles
In stock
$40.00
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