Full Speed Ahead SL-K Light BB392 Tandem Rear Crankset - 170mm 50/34t Direct Mount BLK Model=Tecno-3 Push Flex System Heel adjuster and Firmor X

Heel adjuster and Firmor X stabilize the foot for consistent performance and locked-in feel Cleat Bolt Pattern 2-Bolt Closure Velcro Shoe Size (EU) 44 Gender/Age Men's Color Jojoba Defined Color Tan

an excellent base wax for racing

The toe inserts are easily replaceable and offer the possibility to mount spikes for particularly muddy rides Cleat Bolt Pattern 2-Bolt Closure Dial Shoe Size (EU) 40 Gender/Age Women's Color Black Defined Color Black Activity Cycling Size 40

Supports up to a 4 bike rack (100 lb max)

Full Speed Ahead SL-K Light BB392 Tandem Rear Crankset - 170mm 50/34t Direct Mount BLK Model=Tecno-3 Push Flex System Heel adjuster and Firmor XThe 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 are incredibly strong and lightweight Color Black Rings 50 34 Number of Chainrings Double Crank Length (mm) 170 Crank Intended Use Tandem Drivetrain Speeds 11 BB Included English Pedal Spindle 9 16" Spindle Interface Type 392 EVO Chainring BCD Direct Mount FSA Chainline Hub