45NRTH 2024 Greazy Cycling Cap - Black Large / X-Large MFPN=UCK611 ISIS is a splined interface

ISIS is a splined interface bottom bracket/crank design used by Truvativ FSA Raceface and other brands

Larger 22mm spindle and square-shaped chromoly arms to maximise strength

Diameter 27

Forged SCM 435 Chromoly Steel spindle

improves support for cyclists who have a limited pelvic rotation

45NRTH 2024 Greazy Cycling Cap - Black Large / X-Large MFPN=UCK611 ISIS is a splined interfaceEnjoy the eye and ear coverage of Greazy. With double layer Merino wool blend fabric and flat lock stitching it fits comfortable under a helmet. The flexible brim keeps eyes shaded and doesn't crease when crumpled into a pocket for storage. Season Cool Weather Ear Coverage Yes Material Wool Blend Gender Age Unisex Color Black Size Large XL Defined Color Black Windblock No Activity Cycling