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Increases chemical grip of the tire by putting natural oils back into the tire
Roche DD Spur Gear 64P 72T - Black
Element Proof Tekin products are designed to handle water
BOOST (BOOST Adjustment)
OS Speed R2105 .21 Nitro On Road Engine CARBAG Increases chemical grip of theOverview The O. S. SPEED R21 series won the previous World Championships held in the United States. The "R2105", most of the parts has been newly designed, aiming for consecutive victories at the world championship to be held in Japan this year. To increase torque on high grip track surfaces, a newly designed 9 port sleeve is adopted. O. S. SPEED's traditional DLC coated crankshaft delivers linear power from low to top by changing the counter balance.