Profile Racing have released their latest Tech Tip for you to check out. This time around they have focused in on their No Boss Cranks. Bossless cranks are for those of you who prefer Spline Drive versus the traditional cranks that require a bolt to hold your sprocket in place. There’s Pros and Cons for both styles of crank arms and Profile give some insight on both. You can check out the Tech Tip right here — Tech Tip: What Is A Profile No Boss Crank
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