Quick Summary
The FOMTOR bicycle handlebar stem riser is a 31.8 mm stem with a 17 degree angle and a 90 mm length. It is intended for bikes that use a 31.8 mm handlebar diameter and a 28.6 mm front fork stem diameter.
The stated weight is 135 g. If you are choosing between stems, the key checks are bar diameter, fork stem diameter, length, and angle.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | FOMTOR. Useful for identifying the exact stem version. |
| Product type | Bicycle handlebar stem riser. Check that this is the part you need for the front end setup. |
| Handlebar diameter | 31.8 mm. This must match the handlebar clamp size. |
| Front fork stem diameter | 28.6 mm. This must match the bike’s front fork stem size. |
| Length | 90 mm. This affects the stem reach from the steering area to the handlebar clamp. |
| Angle | 17 degree. This changes the stem position relative to the steering setup. |
| Weight | 135 g. Useful when comparing stem weight across options. |
| Material | 6061 T6 aluminum alloy. This is the stated construction material. |
What to Compare Before Buying
- Handlebar diameter: This model is sized for 31.8 mm bars. Compare that with your handlebar clamp size.
- Front fork stem diameter: The stated size is 28.6 mm. Confirm that matches the steerer tube or front fork stem area on your bike.
- Length: The 90 mm length affects cockpit reach. Compare it with the handlebar position you want.
- Angle: The 17 degree angle changes stem orientation. Check whether that angle suits your setup.
- Bike fit: The product is described for road bike, mountain bike, track bike, MTB, BMX, and DH use. Confirm the sizing matches your exact bike setup.
Before You Decide
Confirm the 31.8 mm handlebar size, 28.6 mm front fork stem diameter, 90 mm length, and 17 degree angle before choosing an offer. The stem should match the exact front-end dimensions of your bike.
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