SystemEXAlloy Seat post Black30.9mm\n30.9mm Seat Post:\n--\nGreat value 400mm post with single adjuster bolt. Lightweight 6061-T6 alloy with a matt black finish.Shipping\n--We offer FREE shipping\n--We ship within Two business days of payment, usually sooner.\n--Delivery to Scottish Highlands & Islands, Northern Ireland, Channel Islands, Isle of Man, Isle of Wight or Scilly Isles will use Royal Mail Tracked 48\n--Delivery to other UK Mainland will use Evri Tracked, 2-3 days.\n--We only ship to the UK.\n--Collections are not currently supported.\n--Combined shipping for multiple purchases can be arranged.Return\n--You can return a product for up to 30 days from the date you purchased it.\n--Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.\n--Customer pays return postage.\nFeedback\nCustomer satisfaction is very important to us.   If you have any problem with your order, please contact u.