Supernova E3 Pure 3 Dynamo Headlight: Black ModelNumber=J2898 Micro Spline

Micro Spline

For a longer lasting and more durable option check out the CAMO System that offers stainless steel chainrings

41 BB/Frame Interface BB86 BB/Frame Interface BB92 BB Shell Width (mm) 86 BB Shell Width (mm) 92 Weight 100 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Defined Color Black

Also fits standard SRAM 107 BCD removable spiders without power meters

Supernova E3 Pure 3 Dynamo Headlight: Black ModelNumber=J2898 Micro SplineE3 Pure 3 is Supernova's smallest road legal dynamo light pumps out a powerful beam despite its small size. Featuring a daytime running light for added safety the E3 Pure 3 is a lightweight powerhouse. Glare free Terraflux2 lens provides large near field illumination with a far reaching beam Permanent daylight running light and stand light provide added visibility day and night Sealed completely for watertight performance 6061 Aluminum housing No on