Park Tool - IB-1 - Folding I-Beam Hex Wrench Screwdriver Set S3-Cat-Components-Aerobars lightweight components and concise rigidity

lightweight components and concise rigidity all coalesce to ride 5% farther while improving drivetrain efficiency by 4% over a standard chain

Weight: 50g (incl

Mounting is simple using top tube braze-ons on compatible bikes

Wide diameter allows for on-course Aid Station Bottles for easy mid-race refills

two rubber conic adapters

Park Tool - IB-1 - Folding I-Beam Hex Wrench Screwdriver Set S3-Cat-Components-Aerobars lightweight components and concise rigidityPARK TOOL IB 1 FOLDING I BEAM HEX WRENCH SCREWDRIVER SET Perfect for taking on rides, the strong, compact, lightweight IB 1 features our unique I Beam handle surrounded by 3, 4, 5, 6 and 8mm hex wrenches and a straight blade screwdriver.