Bike Stem Riser & Adjustable Bike Stem, Universal 31.8mm Bicycle Stem Handlebar Extender, Compatible with 28.6mm Bike Fork Stem, ±80° Angle Adjustment Handlebar Risers for BMX MTB Mountain Road Bike
Product details
| Management number | 219124003 | Release Date | 2026/05/03 | List Price | $9.60 | Model Number | 219124003 | ||
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📏 Key SpecificationsHandlebar Clamp Diameter: 31.8 mmAdjustable Stem Length: 145 mmAngle Adjustment Range: -80° to +80°Stem Riser Height: 138 mmSpacer Quantity: 5 pieces for flexible height adjustment🔍 Material & ConstructionMaterial: Aluminum alloyFeatures: Lightweight, durable🛒 Package Includes1 × Adjustable Bike Stem1 × Bike Stem Riser (With 5 Height Spacers)2 × Hex Wrenches1 × Installation Instruction Manual⚠️ Important NotesPlease confirm your handlebar clamp diameter is 31.8 mm before purchasing.Adjust the angle within the recommended range and ensure all bolts are securely tightened before riding.Suitable for mountain bikes, road bikes, commuter bikes, and recreational cycling.
- Adjustable Riding Position for Better Comfort: This bike stem extender set allows you to raise and adjust your handlebar height for a more upright riding posture. Reduce pressure on wrists, shoulders, and back while improving comfort during long rides, commuting, or weekend cycling trips
- Flexible Angle Adjustment: The adjustable bike handlebar extender supports a wide adjustment range from -80° to +80°, letting you customize the handlebar angle for better control and visibility. Easily adapt your bike setup for climbing, cruising, or relaxed city riding
- Durable Aluminum Alloy Construction: Made from high-strength aluminum alloy with an anodized finish, this bike stem riser and adjustable bike stem combination provides excellent durability and lightweight performance for reliable everyday riding
- Wide Compatibility: Designed for a 31.8 mm handlebar diameter, the stem handlebar risers measures 138 mm in height and includes 5 spacers for flexible height adjustment. Compatible with many mountain bikes, road bikes, BMX bikes, and commuter bicycles
- Easy Installation with Complete Kit: The package includes an adjustable mountain bike stem, a stem riser, two hex wrenches, and installation instructions. The simple design allows quick installation so you can upgrade your bike setup and get back on the road quickly
| Size | Standard |
|---|---|
| Color | Black |
| Material | Alloy |
| Brand Name | ShioShin |
| Model Name | bike stem riser |
| Manufacturer | Changsha Shiousheng Trading Co., Ltd. |
| Package Weight | 0.55 Kilograms |
| Suggested Users | unisex-adult |
| Included Components | bike stem riser |
| Warranty Description | No Warranty |
| Item Package Dimensions L x W x H | 8.66 x 5.91 x 2.36 inches |
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