Despite a length of only 56 mm, the Airwings spare springs for Evolution and Expleto seat posts do a hard work. The springs are available in soft, medium and hard. Please note that you need to different spring lengths (2x long (80mm), 1x short (56 mm)) for the Airwings Evolution and Expleto seat post.
• Spare spring for Airwings Evolution (product code 1805688) and Expleto (product code 2261655) suspension seat posts
• Length: 56 mm
• Material: steel
• Available in medium (blue), hard (red) or extra hard (yellow)