Argon 18 E-117 Disc Shimano Ultegra Di2 11 Speed - Black Size:Small/51CM-53CM 4-way stretch and with a

4-way stretch and with a double-face construction to enhance moisture wicking

They reduce the drag of our Standard Bearing bb’s by 75% when compared to typical bottom brackets

The formulation mirrors the electrolyte profile lost in sweat

select this bottom bracket

Argon 18 E-117 Disc Shimano Ultegra Di2 11 Speed - Black Size:Small/51CM-53CM 4-way stretch and with aFrame Carbon Fork Carbon Headset Argon 18 3D Seatpost Carbon Shifters Shimano Di2 11spd Rear Derailleur Shimano Ultegra Di2 11spd Front Derailleur Shimano Ultegra Di2 Brakes Shimano Dura Ace Brake Rotors Shimano Ultegra Thru Axles 12x100 12x142 Crankset Shimano Ultegra 52 36 Bottom Bracket Shimano Handlebar Profile Design Stem FSA Saddle ISM PR 1. 0 Cassette Shimano Ultegra Chain Shimano Wheels Mavic Tires Mavic