NEW FSA (Full Speed Ahead) SL-K BB392 Tandem Crankset Rear 170mm, 50/34t, Direct Mount, type_derailleurs-rear set up to take a

set up to take a 57mm reach road caliper brake

Twice the rubber makes for a smoother ride through the natural absorption qualities of the material

A ton of receiving comes with every drop of giving we put into our rides—whether riding across the city for a meeting or in the middle of a lonely century

Fits frame tubes up to 3" in diameter

Specially designed to create friction and reduce slippage between clamped carbon fiber surfaces

NEW FSA (Full Speed Ahead) SL-K BB392 Tandem Crankset Rear 170mm, 50/34t, Direct Mount, type_derailleurs-rear set up to take aThe FSA SL K carbon tandem cranks feature an asymmetrical modular compact 2x11 speed spider, 30mm spindle, and tons of adjustability. Hollow carbon arms with UD carbon finish Defined Color: Black Rings: 50 34 Spindle Interface Type: 392 EVO Chainring BCD: Direct Mount FSA Color: Black Chainline Hub Compatibility: 130 Hubs Chainline Hub Compatibility: 141 148 Boost Hubs Drivetrain Speeds: 10 Drivetrain Speeds: 11 Number of Chainrings: Double Crank