O.S. Speed B21 Ronda Drake Edition Combo Set 2100SC pipe and 75 header

OIn addition to the O.S. SPEED B21 Adam Drake edition 2, we are proudly releasing O.S. SPEED B21 Ronda Drake edition featuring a pink cooling head and pink carburetor restrictors, which are her image color. Ronda Drake is the wife of Adam Drake, and she is also a racer. Now we have two different colors in the same specifications; bore x stroke 16.4 x 16.55mm, the double-counter weight embedded crankshaft with DLC hard coating, a ceramic rear ball bearing, an o-ringed inner head, and an easy adjustable ball link.