Quick Summary
The FIFTY-FIFTY Mountain Bike Stem is a short MTB stem for a 35 mm handlebar clamp. It is made from 6061T6 aluminum and is described as a 35 mm, 0-degree rise stem with a 28.6 mm steerer tube diameter.
The product is also described as a close gap face plate design with a four-bolt bar clamp. If stem size and clamp diameter matter for your bike setup, check the handlebar and steerer dimensions before choosing an offer.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | FIFTY-FIFTY. Helps identify the exact stem family. |
| Product type | Mountain bike stem. Aims to connect the handlebar to the steerer area. |
| Handlebar clamp | 35 mm. Confirm your handlebar size matches this clamp diameter. |
| Steerer tube diameter | 28.6 mm (1-1/8"). Check this against your bike’s steerer setup. |
| Length | 35 mm. A short stem format that affects cockpit reach. |
| Rise | 0-degree rise. Keep this in mind if you want a different bar position. |
| Material | 6061T6 aluminum. A key material detail for comparing stem options. |
| Clamp design | Four-bolt bar clamp with close gap face plate design. Compare this style with the installation setup you prefer. |
| Weight | 132 g (4.65 oz.). Useful when weight matters in your build. |
Compatibility, Size and Fit
This stem is centered on two size checks: the 35 mm handlebar clamp and the 28.6 mm steerer tube diameter. Those dimensions should match the bike and bar setup you plan to use.
The 35 mm length and 0-degree rise also affect cockpit position. If you want a different reach or bar height, compare those figures before buying.
What Else You May Need
You will need a bike setup that matches the stated handlebar clamp and steerer tube diameter. Confirm the rest of your cockpit parts align with the same dimensions before installation.
Before You Decide
Confirm the 35 mm handlebar clamp, 28.6 mm steerer tube diameter, 35 mm length and 0-degree rise before choosing an offer. The stem is also described as a 6061T6 aluminum part with a four-bolt bar clamp, so those details should match the setup you want.
Follow the manufacturer instructions for installation and torque settings.





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