The Profile GDH-SD cranks are made in the USA by Profile racing. The GDH-SD cranks feature bossless chromoly arms that are designed to work with spline drive chain wheels only. A 48-spline hollow chromoly spindle and hollow flush mount spindle bolts complete the kit. Spindle: 19mm Hollow Chromoly Spindle Splines: 48 Sprocket Bolt: N/A - Compatible with Spline Drive Chain Wheels Only Weight - 27.7 oz (w/o BB)
Made from 6AI-4V titanium alloy with a hollow center 48 splines. Hollow chromoly bolts with aluminum washers. This kit saves 3.15 oz over the Chromoly upgrade kit, 1.85 oz over the solid Ti spindle with bitchin' bolts and 6.3 oz over the solid chromoly spindle with bitchin' bolts. Splines: 48 Diameter: 19mm Length: 5-5/8" or 6" Weight - 5.1 oz
CNC machined in the USA with built in rise to get your bars a little higher. Excessive machining help reduce weight while chamfered edges Concaved backside clean up the look.
CNC machined from aircraft quality billet aluminum plate. 19mm spindle hole fits most cranks without the need for an adapter. 5 x 110mm bolt pattern .Weights 4-Bolt (104mm) - 2.4 oz 5-Bolt (110mm) - 3.2 oz
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