Couple of ISIS type cranks screws from Comas brand. Made in high quality 7075-T6 aluminium. Compatible with most ISIS cranks and bottom brackets in the market (excepting titanium bottom brackets). Includes a big washer aluminium 6061-T6 to support on the crank. Black anodised. Weight of the set 12 grams (including support washers).

MAIN FEATURES

· Exclusive COMAS M15 Ultra-light bolt for assembling crankset / bottom bracket.
· On-piece CNC manufactured in aluminum alloy 7075-T6.
· Unique and elegant design with low profile conical head and star shape.
· Length of 18mm and thread M15 compatible with the mots of bottom bracket type ISIS.
· Hollowed body to allow the 8mm Allen key be inserted as much as possible, avoiding damaging the head notches.
· 2 screws are supplied with 6061-T6 aluminum washers.
· Finished in black anodised with COMAS logos laser engraved.
· 12 grams of weight (pair, including support washers).

Measures of these bolts

· Thread M15x1.00
· Length 18mm
· 8mm allen head
· Outside diameter Ø20mm



To fasten the cranks we recommend do it with an steel bolt for the first time. Once the cranks are completely fastened remove the steel bolt and install the Aluminium one. Hard fasten of the cranks with the aluminium bolts could cause the breaking of the bolt.