S3 is the specialist in Trial and Enduro parts. Innovation and high quality are the key words guiding the design of the elements that will make a difference. Tested in all conditions, the S3 products are at the cutting edge of technology and equip the best riders and trial teams.

• S3 adjusters for Air mix screw and idle screw for Keihin carburetor
• 1005 aluminum springs
• micrometric adjustment
• Anodized
• Laser logo