Overview The A3 risers are designed specifically for the Wing 20C+ and Wing Ultimate. The system is backwards compatible with A2 risers by using the A2/A3 adapter. Key Features: Compatible with the A3 riser system Can be used with A2 riser system with adaptor Tech Specs Compatibility: Wing 20C+ and Wing Ultimate Includes: Risers and Bolts specific to the kit size Maximum Height: A3A Low Riser Kit = 35mm and A3A High Riser w/A2 Bridge Kit = 60mm Weight: 35mm: 594g and 80mm: 726g (Complete Kit) Tech Guide A3A Low Riser Kit Includes: Risers:5mm: 2 Risers10mm: 2 Risers20mm: 2 Risers Bolts:45mm: 4 Bolts50mm: 4 Bolts55mm: 4 Bolts60mm: 4 Bolts65mm: 4 Bolts70mm: 4 Bolts75mm: 4 Bolts Accessories:Washer: 4 Washers A3A High Riser w/A2 Bridge Kit Includes: Risers:5mm: 2 Risers10mm: 2 Risers40mm: 2 Risers Bolts:80mm: 4 Bolts85mm: 4 Bolts90mm: 4 Bolts95mm: 4 Bolts100mm: 4 Bolts Accessories:Washer: 4 WashersA2 Bridge (5mm): 1 Bridge Manual A3 Riser Installation Instructions