Aluminium Alloy Bike Seatpost 27.2 / 30.9 / 31.6mm – Road, MTB & BMX

Upgrade your ride with this high-quality aluminium alloy bike seatpost, designed for strength, comfort and everyday performance. Available in 27.2mm, 30.9mm and 31.6mm diameters, it fits most road bikes, mountain bikes and BMX bicycles.

With 350mm and 400mm length options, this seatpost provides excellent saddle height adjustment and stable support. The corrosion-resistant aluminium construction ensures long-lasting durability while keeping weight low—ideal for both casual riders and serious cyclists across the UK.

Key Features

• Strong & lightweight aluminium alloy construction
• Multiple sizes: 27.2mm, 30.9mm, 31.6mm
• Length options: 350mm & 400mm
• Smooth finish for easy saddle height adjustment
• Durable, rust-resistant & long-lasting
• Suitable for road bikes, MTB and BMX

FAQ

Q1: How do I choose the correct seatpost size?
Check the diameter marked on your old seatpost or inside the bike frame. Choose 27.2mm, 30.9mm or 31.6mm accordingly.

Q2: Is this seatpost suitable for mountain bikes?
Yes, it is compatible with MTB, road bikes and BMX.

Q3: What length should I choose, 350mm or 400mm?
Taller riders or frames usually need 400mm, while 350mm suits standard setups.

Q4: Is this seatpost lightweight?
Yes, the aluminium alloy design offers an excellent balance of low weight and strength.

Q5: Does it work with standard saddles?
Yes, it fits most standard bicycle saddle rails.