Description
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.
Product Details
In The Box
O.S. Speed R2105 Engine1Reducer (8.5mm RED)1T-RP7 Glow Plug1Exhaust Seal Ring1Dust Caps (3mm, 16mm, 18mm)3
Adopts Newly Designed Ports
Redesign Of The Crankshaft’s Counter Weight
Polished Finish Is Applied
New Mold Adopted For The Crankcase
Thrust Plate Made Out Of Steel
Redesign Of The Crankshaft’s Counter Weight
Polished Finish Is Applied
New Mold Adopted For The Crankcase
Thrust Plate Made Out Of Steel
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