Quick Summary
The Race Face Atlas is a mountain bike stem in black with a 31.8 mm clamp and 50 mm length. It is a stem for handlebars that use the stated clamp size, and the fit should be checked against the rest of the cockpit before buying.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Mountain bike stem for handlebar setup. |
| Brand | Race Face. |
| Model | Atlas. |
| Color | Black. |
| Clamp size | 31.8 mm clamp, so the handlebar must match that size. |
| Length | 50 mm, which affects cockpit reach. |
| Material | 6061-T6 aluminum. |
| Handlebar clamp design | Four-bolt bar clamp with interlocking U-shaped handlebar clamp geometry. |
What to Compare Before Buying
- Clamp size: Match the stated 31.8 mm clamp size to the handlebar you plan to use.
- Stem length: The 50 mm length affects cockpit reach, so compare it with your fit preference.
- Steerer size: The stem is listed with a 1-1/8-inch steerer size, so confirm your fork and setup match.
- Construction: The stem uses 6061-T6 aluminum, which is a key detail if you compare materials across stems.
- Clamp design: The four-bolt bar clamp and U-shaped geometry are useful details to compare against other stem designs.
Before You Decide
Confirm the 31.8 mm clamp size, the 50 mm length, and the 1-1/8-inch steerer size before choosing an offer. Make sure the stem matches your handlebar and fork setup, and follow the manufacturer’s instructions for installation.
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