wowsport Bike Stem Riser 28.6mm - 70/115/180mm Fixed Height Extender | Aircraft Aluminum Alloy Handlebar Raiser for MTB/Road Bike (Stealth Black)
Product Description
wowsport Bike Stem Riser 28.6mm - 70/115/180mm Fixed Height Extender | Aircraft Aluminum Alloy Handlebar Raiser for MTB/Road Bike (Stealth Black)
- 3-Height Precision Fit:Choose 70mm (commuting) / 115mm (trail) / 180mm (DH) fixed heights – no spacer hassle! Rigid CNC-milled design eliminates wobble risks vs adjustable risers. Fits ALL 1-1/8" (28.6mm) threadless steerers.
- Bombproof 6061-T6 Alloy:Forged from aircraft-grade aluminum with sandblasted matte finish. 40% thicker wall (2.5mm) vs competitors, tested to ISO 4210 safety standard under 300lbs load.
- 90-Second Installation:Tool-free clamp system:1. Slide onto steerer tube → 2.Secure 4-bolt faceplate (5Nm torque) → 3.Ride! Includes anti-scratch frame protector + torque wrench.
- Ergonomic Relief:70mm reduces back strain on road bikes | 115mm optimizes MTB technical control | 180mm perfect for downhill/cruiser upright posture.
- WOWSPORT Lifetime Support:24-month crash warranty + US-based team. Laser-etched height marker (+/-1mm precision) ensures perfect alignment.
Technical Specifications
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