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UPANBIKE 31.8mm Bike Stem 45mm Length Aluminum Alloy Short Stem for Mountain Bike Road Bicycle

Free shipping on orders over $29.99

$8.99

$ 3 .99 $3.99

In Stock

1.Color:Black


  • Fit handlebar diameter 31.8mm (1.25'').
  • Front fork stem diameter 28.6mm (1-1/8");Length:45mm (center distance of the two holes).
  • Constructed of high-strength CNC machined 6061 T6 aluminum alloy,light weight and durable.
  • Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc.
  • Easy installation, just connect up the original front fork stem,four bolt bar clamp holds bar securely in position.



Product Description

Specifications

Material:Aluminum Alloy

Stem length:45mm

Handlebar Clamp diameter:31.8mm

Steerer Tube Diameter:28.6mm (1-1/8in)

Weight:About 120g

Use:all types of Bike;

Package included:

1 X Bike Stem

bike stem

Size Specifications:

  • Stem length:45mm
  • Handlebar Clamp diameter:31.8mm
  • Steerer Tube Diameter:28.6mm (1-1/8in)
biek stem

  • Five colors for your choice
  • Color:Black;Silver;Blue;Red;Gold

bike stem

Front View

Made of light weight aluminum alloy and CNC machining

bike stem

Rear View

Cool style design and can direct mount

bike stem

Side View

Length 45mm and you can enjoy light handling

bike stem

Rear View

Installation view

bike stem

  • Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, etc

bike stem

  • Easy installation, just connect up the original front fork stem.

bike stem

  • Four bolt bar clamp holds bar securely in position.

ian Customer
Reviewed in the United States on May 8, 2025
Not heavy and allows clearance for computer.
Brian Boutte
Reviewed in the United States on November 28, 2023
I used this stem on my ebike to give me a more comfortable riding position. I've also have used this stem on my mountain bike with great results!
Benny C
Reviewed in Canada on October 17, 2022
Since I can't adjust my bike frame.. I can adjust stem.. still works .. I am not racing anymore .. just like to shorten stem for comfort
Christopher R.
Reviewed in the United States on August 23, 2021
These are great project bike stems and have held up well. This is the second one I have used.
Bryon, at Ottawa
Reviewed in Canada on May 17, 2021
Good fit and finish...