Promax Impact BMX Stem
Top Pick
Promax

Promax Impact BMX Stem

4.6

Best lightweight upgrade for riders seeking maximum front end stability.

This top-load stem is built for riders who want a bit more leverage and height in their cockpit without adding unnecessary bulk. The cold-forged construction offers the rock-solid durability needed for park sessions, though you trade a bit of minimalist aesthetics for that extra control.

$49.99

In stock

at

Ben's Cycle / FastStore

Stem Length Mm 60
Stem Angle Degrees 0
Steerer Tube Clamp Diameter Mm 28.6
25.4
28.6
Handlebar Clamp Diameter Mm 31.8
22.2
31.8

Who it's for

  • Weight-conscious riders looking to lighten their front-end setup
  • Aggressive racers who need reliable handlebar stability under pressure
  • Custom builders prioritizing a clean and professional aesthetic

Who should skip it

  • Specialized athletes requiring highly customized geometry for their frame size
  • Hardcore street riders who frequently subject bikes to high-impact drops
  • Home mechanics who lack precision tools like a torque wrench

Performance breakdown

Structural Integrity

Cold-forged 6061-T6 aluminum provides exceptional resistance to high-impact freestyle landings.

Excellent

Weight Optimization

Precision CNC machining effectively sheds mass without sacrificing necessary front-end rigidity.

Excellent

Handling Leverage

The top-load geometry offers a responsive, elevated feel for technical maneuvers.

Excellent

Cockpit Compatibility

Standard sizing ensures a straightforward install for most modern BMX setups.

Good

Clamping Security

Robust bolt interface keeps handlebars locked firmly during aggressive riding sessions.

Excellent

Finish Durability

High-quality anodizing resists scuffs and wear from daily park abuse.

Excellent

Key Specs

Material

6061-T6 aluminum

Stem Length

60 mm

Stem Angle

0 degrees

Handlebar Clamp Diameter

31.8 mm

Steerer Tube Clamp Diameter

28.6 mm

Stack Height

30.5 mm

Weight

278 grams

Stem Type

Threadless

Intended Use

BMX

Construction Method

Forged and CNC machined

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Promax Impact BMX Stem

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Ben's Cycle / FastStore
Ben's Cycle / FastStore
In stock
$49.99
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