Hutch Spline-Drive Aerospeed Crank Arms - 180mm RACE WHITE

$299.95

THIS PRODUCT IS DESIGNED FOR THE MODERN-ERA PRO RACER, HOLLYWOOD, XL24, XL26, AND ANY OTHER BRAND'S MODERN RACE FRAME. (do not use for the vintage 1980's frames)

Hutch Aerospeed spline-drive crank arms use today's newest technology that eliminates the sprocket boss while reducing weight. This "no-boss, spline-drive" configuration uses a steel 48-spline insert on the sprocket or spider for the forward engagement. The sprocket boss is thus eliminated. These 180mm Aerospeed arms are designed for use with any of today's modern race frames with a euro bottom bracket. 

This item is designed to work best with the following parts:

1. Outboard Euro bottom bracket with 19mm bearing size.

2. Hutch spline-drive star Spider. 

3. 19mm 48-spline spindle that is 6" length. 

Aerospeed's are a 6-sided, double-tapered crank arm that is stronger than any USA- or foreign-made swaged-tube race crank arm from any brand. Period. In an apples-to-apples comparison Aerospeed's are also lighter weight than the leading USA-made swaged-tube chromoly race cranks. To simplify, we'll say that Aerospeed's are the lightest and strongest 4130 chromoly crank arm EVER made...and yes, that is a bold statement. Includes a premium "show" quality chrome-plated finish. 

Aerospeed's are entirely made in WisconsinUSA.


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