Upgrade or replace worn hardware with bike stem bolts M5x18mm designed for strength, safety, and long-term reliability. This ZTTO steel bolt set delivers superior clamping force compared to titanium, making it the trusted choice for aluminium stems on MTB and road bikes.

Simple part. Serious performance.

• MTB & road bike handlebar stems
• Daily commuters & performance bikes
• Home bike maintenance & repairs
• Workshop tool kits & spares boxes

Perfect for riders who value secure handling and peace of mind.

• UK-based seller with fast dispatch
• Proven steel construction for aluminium stems
• Ideal for cyclists, mechanics & DIY repairs

Steel remains the recommended option where titanium can underperform.

🔑 Key Features

• 🔩 M5x18mm Precision Fit – ideal bike stem bolt replacement
• 🧱 High-Strength Steel – stronger & safer than titanium on aluminium
• 🚴 MTB & Road Compatible – universal handlebar stem use
• 🔒 Improved Stem Stiffness – secure clamping & confident steering
• 🛠 Hexagon Head Design – easy installation & torque control
• ♻️ Durable & Long-Lasting – corrosion-resistant steel build

🎁 Perfect For

• Cyclists upgrading cockpit hardware
• Bike mechanics & workshops
• DIY bike repair enthusiasts
• Riders replacing worn or stripped bolts

A small upgrade that protects your ride.

🛒 Secure Your Ride Today

Don’t risk loose handlebars. Replace with bike stem bolts M5x18mm trusted for strength and safety.

👉 Add to Cart Now

🔗 Looking for more cycling essentials?
Browse our Bike Accessories & Parts Collection.

📦 What’s Included

• ✔️ ZTTO Steel Stem Bolt M5x18mm × 2

⏳ Limited Availability

These bike stem bolts are stocked in limited quantities due to high demand from cyclists and workshops.

♻️ Condition

• Brand New
• Quality-checked before dispatch

📊 Specifications

❓ FAQs

Q1. Are these bike stem bolts compatible with aluminium stems?
Yes. Steel is recommended for aluminium stems due to better grip and durability.

Q2. Why not use titanium stem bolts?
Titanium can slip or bind with aluminium. Steel offers safer, more consistent clamping.

Q3. Are these suitable for MTB and road bikes?
Yes, they fit standard M5x18mm stem applications on both.

Q4. Do I need special tools to install them?
No, a standard hex key is sufficient.

Q5. How many bolts are included?
This set includes 2 bike stem bolts.

🚚 Shipping & Delivery

• 🇬🇧 Fast UK dispatch
• 🌍 International shipping available
• 📦 Secure packaging
• 📬 Tracked options at checkout