OS OS-1AM00 - O.S.Speed R21 Shimo Edition for 1/8 On-Road Special Limited Version  [OS-1AM00]

The O.S. SPEED R21 Shimo Edition

Responding to strong demand from the market, we now have chose to release the special limited form of R21 for 1/8 ON-ROAD RACING: O.S.SPEED R21 SHIMO version.

Takaaki Shimo, who won the 2nd award into the IFMAR 1/8 ON-ROAD World Championship in Brazil last October, just 0.2 second behind the champion. O.S. SPEED R21 SHIMO edition has a similar requirements he used in the championship.

Features:

• Special external mind (silver with special design)
• Unique crankcase (one side regarding the logo is shiny)
• Special carburetor restrictor (8.0mm silver)
• Special gasket combination (2 pcs of 0.1mm and 1 computer of 0.15mm)
• T-2080SC muffler is made by hand at their factory.
• Unique carburetor spacer to boost center range torque
• Steel rear ball bearing, which he prefers with combination of the special carburetor spacer.

Requirements:

• Content: 3.49 cc / 0.213 cu.in.
• Bore: 16.08mm / 0.633 in.
• Stroke: 17.20mm / 0.677 in.
• HP: 2.8 ps / 2.76 hp at 33000 r.p.m.
• Practical range: 4000-45000 r.p.m.
• Weight: 340g/11.99 oz