System Ex Aluminium Seatpost
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System Ex Aluminium Seatpost
Multi-Buy Savings!
Code: XSP431
System Ex Aluminium Seatpost


  • Length: 400mm
  • Single adjuster bolt 
  • Lightweight 6061-T6 alloy
  • Glossy Black Finish
Jon Looks great and works perfectly, easy to install and gives me a few extra mm in length on my mtb
Mr Miller A high quality seatpost at a usefully low price. The clamp isn't infinitely adjustable: there are lots of fine graduations ,but most importantly i locks solidly in place when the bolt's tightened.
James Good seatpost for the money
Thom Fantastic value for a well made slick seatpost. The seatpost held well on rough terrain. Would definitely recommend if you trying to get a small bike running again with little cost.
Dr De Melo Excellent value seat post
CrankySimon Getting on for 400g this isn’t the lightest post but is the best value and seems good quality to boot.
Mr richardson My daughter had outgrown her bike. This longer post, and the lay back saddle mount have made it usable again. It's very good quality too.
Mr Beattie Good quality and light
Mr McManus Reasonably light seatpost for the price, works fine and seems good quality so far.
Mr Zorotheos Great seat post for the price, easily adjust the angle, well finished quality product.
Peter Great value and good quality; required to raise the saddle height on my grandson's mtb - don't they grow quickly! - does the job perfectly at a very reasonable price.
Denes Basic seatpost, sturdy and suits a budget project.
Mr Goddard The seatpost is just what I wanted at a good price and with quick delivery.
Chris Good quality seatpost. Easy to adjust the seat angle once fitted. Great price from Merlin.
glyn Nice quality seatpost, came well packaged and arrived in good time.
Mr Friend Lovely budget seatpost. Plenty of metal for your money. Looks great on the winter bike. Recommended.
Mr FLOCKHART Well finished product providing a great range of adjustment for saddle and height to achieve a comfortable position on the bike.