OS SPEED support driver Introducing OSSPEED R21 SHIMO EDITION 2 created by feeding back the know-how of Mr. Akira Shimotaka. The exterior uses a special color champagne gold outer head and reducer. Based on the R21 series, a newly designed crankshaft that emphasizes connection from low speed to high speed has been adopted, and the cylinder liner has undergone new processing that can reduce seizure, achieving performance that can win the race. It will be released as a combo set that includes TR02 (EFRA2165) + MR03-WC to maximize the power of the engine.
Specs --------------------------- Stroke volume: 3.49 cc / 0.213 cu.in. Bore: 16.08mm / 0.633 in. Stroke: 17.20 mm / 0.677 in. Output: 2.8 ps / 2.76 hp / 35,000 rpm Practical rotation speed: 4,000-45,000 rpm Weight: 340 g / 11.99 oz. Standard accessory T plug RP7 1 piece TR02 EFRA2165 Tuned silencer set MR03 -WC Exhaust manifold set OS SPEED Fly foil collet 1 piece Exhaust seal ring 1 piece OS SPEED Dust cap set 12-30 ・ φ3, φ16, φ18 1 piece each ・
The cylinder liner has been newly processed to reduce seizure... * Rendering CG
We have adopted a newly designed crankshaft that emphasizes the connection from low speed to high speed. * Rendering CG
A special color champagne gold outer head and reducer are used.
