Adjustable MTB Stem 31.8mm 70 Degree Riser For Handlebar 90 110 145mm Length Options Aluminum Alloy Mountain Bike Stem Extender For Trail Road And City Bikes Get That Comfort And Control

Single 31.8mm MTB Stem, 70° Riser (90/110/145mm)
✔️ 31.8mm bar, 28.6mm steerer, 90/110/145mm options, +/-70°

This adjustable MTB stem lets you tune handlebar height and reach for comfort on trails, commutes, and city rides. It fits 31.8mm handlebars and 28.6mm steerers and offers 90mm, 110mm, and 145mm length options. Built from 3D forged aluminum alloy for strength and responsive steering.

✅ 31.8mm handlebar clamp compatibility, 28.6mm steerer
✅ Length options 90mm, 110mm, 145mm (not total stem length)
✅ 3D forged aluminum alloy construction for strength
✅ Angle range -70° to +70° for versatile riding positions
✅ Four-bolt bar clamp keeps handlebars secure

💡 What is a 31.8mm MTB stem used for and why choose a 70° adjustable model?

It’s handy for dialing in comfort on long rides and demanding trails.

- Improves rider comfort by adjusting height and reach on MTB, road, and city bikes
- Compatible with 31.8mm handlebars and 28.6mm steerers
- Wide angle range from -70° to +70° for different riding styles
- Four-bolt clamp provides secure bar positioning