Box BMX Front-Load Stem, 45 mm, Red

Box BMX front-load stem details describe a cold-forged 6061-T6 aluminum stem with a 45 mm length and ±5° rise. Its oversized 28.6 mm handlebar interface and stated compatibility with 1-inch steerer tubes make exact fit checks important before ordering.

At a glance

Front-load clamp design with a 3D hollow body, according to the listing.
The listing says the oversized clamp area is intended to limit flex at the handlebar interface.
The stated 45 mm length is paired with a ±5° rise and a listed 38 mm stack height.

Price

$34.99Save 50%

Reference price: ~~$69.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Cold-forged 6061-T6 aluminum and chromoly hardware are specified for the construction.
Front-load clamp and oversized 28.6 mm handlebar compatibility are described for BMX racing use.

Technical specifications

14 specifications

Identity
Brand listing	Getting Fit
Color	Red
Part number	BX-ST15CSPM5-RD
Listed size	Hex Lab Oversized 28.6 x 1" - 45mm

Construction and fit
Material	3D cold-forged 6061-T6 aluminum with chromoly hardware
Stem style	Front load
Length option described	45mm (115g)
Rise	±5°
Stack height	38mm
Handlebar compatibility claimed	Hex Lab Carbon OS 28.6mm handlebars
Fork compatibility claimed	Box One XS/XE forks with 1" steerer tubes

Dimensions and installation
Weight listed	4.8 ounces
Item dimensions	5 x 2 x 3 inches
Package dimensions	5 x 5 x 1 inches

What to know before buying

Listing details to confirm

The listing's fit details name a 28.6 mm handlebar and a 1-inch steerer, but the title is broader and the size field is phrased as “Hex Lab Oversized 28.6 x 1\" - 45mm.” Confirm both clamp diameters and the selected 45 mm configuration match your bike. The feature text also describes a 40 mm option, while the selected size and included-components text specify 45 mm. The listed brand field says Getting Fit although the product title identifies Box, so verify the exact listing identity.

What’s in the box

Included

Box Components Cusp Mini Stem, 28.6 mm × 45 mm, red

Who is it for?

A good fit for

BMX riders seeking a 45 mm front-load stem, provided their handlebar and fork dimensions match the stated fit.

Less suited to

Buyers who need a stem for a different handlebar clamp or steerer diameter, or who require a confirmed 40 mm version.

Box BMX Front-Load Stem, 45 mm, Red · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 8 ratings

5 stars80%80%
4 stars20%20%
3 stars0%0%
2 stars0%0%
1 star0%0%

Aggregate ratings are favorable, with ratings in the four- and five-star categories. The sample is small and no written feedback is supplied, so it cannot establish specific strengths or concerns about fit, durability, or performance.

Frequently asked questions

What length is this listed stem?

The selected size and included-components details specify 45 mm. Feature text also mentions a separate 40 mm option, so confirm the selected variant.

What bike dimensions should I verify?

The listing describes compatibility with 28.6 mm handlebars and Box One XS/XE forks with 1-inch steerer tubes. Confirm both dimensions against your setup.

What material and rise are specified?

The listing specifies 3D cold-forged 6061-T6 aluminum with chromoly hardware and a ±5° rise.