Zoom Tandem Stoker Stem 155-200mm extension +35 Degree Rise 25.4 Bar Clamp 28.6 Seat Post Clamp BLK Size-100ml (3.4oz) Carbon fiber engineered with a

Carbon fiber engineered with a foam core to give both incredible strength and maximized stiffness

Number of Chainrings No Rings No Spider IncludedDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 175Crank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

HL3057 includes axle and disc spacer

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Helmet Style Tri/TT Helmet Style Road Maximum Head Circumference 62 Defined Color Gray

Zoom Tandem Stoker Stem 155-200mm extension +35 Degree Rise 25.4 Bar Clamp 28.6 Seat Post Clamp BLK Size-100ml (3.4oz) Carbon fiber engineered with aStoker Stem Stem Angle (deg) 35 Length 155 200 Bar Clamp Diameter (mm) 25. 4 Color Black Diameter 28. 6 S. H. I. S. Stem Clamp Diameter 28. 6