420mm Seatposts

420mm Seatposts

Our listings of 420mm long seatposts which are suitable for both road and mountain biking. Each of these seat pins are exactly 42cm (420mm in length), which is perfect for those of you with smaller frames or longer than average legs! They are available in a variety of diameters – make sure you check your frame’s seat tube diameter before buying a post to make sure it will fit. Read on for our 420mm seatpost listings.

RockShox Reverb
  • 420mm mtb RockShox Seatpost
  • Black / Alloy
  • 420mm Reverb weighs 520g
£295.00 £189.99
Buy the RockShox Reverb Seatpost
Seatpost Colours

Click below to view more seat pins in various colours.

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