RNC Aluminum Cranks (Sprocket & BB Incl)

Made from a proprietary 7000 series aluminum w/ a 103,000 tensile strength. 30% stronger & harder than 7075-T651 aluminum & a higher strength to weight ratio than 6al-4v titanium.

24mm 80 tooth titanium spindle made from a BETA grade titanium that’s heat treated to an unbelievable 220,000 tensile strength. This titanium has the highest strength of any titanium & also has the highest strength to weight ratio of any metal in existence.

Cranks come w/ 2 Aluminum arms a Ti spindle & Ti flush mount bolts.

Titanium sprocket adapters are available to run Profile sprockets.

(For mid bottom bracket users this crankset requires our 24mm mid bearings. Mid bottom brackets advertised from other manufacturers as 24mm are not 24mm & will not fit as they are smaller.)

*Crank weight for 170mm w/ 5.625 length spindle is 19.8 ounces or 560 grams*

*Important: Standard 24mm BB Bearings Will Not Work W/ These Cranks. Be Sure to Use The RNC Bearings or Bottom Bracket*