The "R" (radius) series helixes for Yamaha from Dalton features a short duration initial angle, radiuses into what is mostly a straight angle helix (second angle). This style of cut is a favorite of some clutch tuning professionals and is quite effective at controlling initial over-rev while still maintaining the characteristics of a straight helix.
Yamaha "R" Series HelixesType:
Suggested list price :
CAD $139.00 / USD $125.00Introduced:
Note: Please choose your angle from the above list of pre-programmed angles. We no longer do special cuts or custom angles on this type of helix.
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