* Comas trial bike crankset ISIS

* Forged aluminum crankset with ISIS bottom bracket system

* Simple design that guarantees maximum rigidity and resistance.

* Later machining to reduce weight

* Standard 1.37 "x 24tpi thread compatible with the most of freewheels.

* 14mm threaded section to be able to use a UCI ring protector

* Offset of 33mm to avoid possible friction with the chassis or the brake cylinders.

Material

* Aluminum 7075-T6 Sizes

* Length: 160mm

* Offset: 33mm

* Freewheel thread: 1.37”x24t - 9/16” pedal thread

Finish

* Black anodized with COMAS graphics laser engraved.

Important note

The minimum contact thread between crank and freewheel must be L7mm to avoid thread damage.