Paul Component Engineering 100% Pure Paul Crankset - 160mm, Square Taper JIS Spindle Interface, 3-Bolt Type Chainring Mount, Black Pivot Hardware Right above the boot is

Right above the boot is the air filter

UPC: 821973502236

Manufacturer Part Number: 142451

it reduces the potential for noise

UPC: 739988403960

Paul Component Engineering 100% Pure Paul Crankset - 160mm, Square Taper JIS Spindle Interface, 3-Bolt Type Chainring Mount, Black Pivot Hardware Right above the boot is100% Pure PAUL Cranks are precision CNC machined in house from ultra strong 2024 American aluminum alloy known for it's extradinary fatigue resistance. This allows Paul Component Engineering to remove a lot of material for an elegant design, while retaining excellent strength and stiffness. J. I. S. Square Taper means you can really fine tune the Q Factor and a 3 bolt Direct Mount means you can choose from a wide range of chainrings and offset