Small but robust – the Airwings spare spring for Airwings Extra Bike II seat posts offers the right level of suspension for your needs, thanks to four different degrees of hardness. The 56mm steel spring is available from soft to x-hard.
• Replacement spring for Airwings Extra Bike II suspension seat post (product code: 1822852)
• Length 56 mm
• Material: steel
• Available in: soft (grey), medium (green), hard (blue) or x-hard (red)