Zoom Tandem Stoker Stem 155-200mm extension +35 Degree Rise 25.4 Bar Clamp 28.6 Seat Post Clamp BLK Size-100ml (3.4oz) Pick the model and length

Pick the model and length of drop for the post you need to service

HL3057 includes axle and disc spacer

and flat screwdriver

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

Zoom Tandem Stoker Stem 155-200mm extension +35 Degree Rise 25.4 Bar Clamp 28.6 Seat Post Clamp BLK Size-100ml (3.4oz) Pick the model and lengthStoker 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