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O.S. SPEED R2105
£469.99New OS Speed R2105 IN STOCK NOW
Features:- NEW FROM THE GROUND UP...
- New design crankcase, Performance is improved by adopting a new mould.
- New crankshaft by changing the counterweights from 4 to 5mm and optimising the weight balance, the feeling in low and mid-range power is improved.
- New 9-ports cylinder adapted to the new crankcase internal design.
- New look cooling-head changed from conventional black colour to polished silver with clear coating.
- New backplate with steel thrust plate.
- New main-needle design with double o-rings for more tuning stability.
- New shaped idle-needle for better torque in the low rpm area.
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Specifications
Content: 3.49 cc
Bore: 16.08mm
Stroke: 17.20mm
HP: 2.8 ps / 2.76 hp at 33000 r.p.m.
Practical range: 4000-45000 r.p.m.
Weight: 340g -
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O.S. SPEED R21 EURO...
£477.39IN STOCK NOW.
The BRAND NEW EUROSPEC II Motor from OS Engines.
(Price does NOT INCLUDE Pipe & Manifold.)- NEW CRANKSHAFT. Featuring an extra Tungsten counter balance weigh to improve mid range performance and 'return to idle' function.
- NEW LINER & PISTON. 7 ports (similar to Shimo II) for a smoother power delivery with increased torque. Exhaust side extra liner ports to improve piston cooling and a better heat distribution.
- New Head Graphics.
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OS1FG01 O.S. SPEED R21...
£499.99We proudly present the O.S. SPEED R21 Shimo3 Edition, developed in collaboration with Takaaki Shimo, multiple podium finisher at the IFMAR 1/8 Racing World Championship.
This 9-port engine features a specially treated piston and a newly matched cylinder for enhanced durability and longer lifespan.
The LGC cooling head and 8.5mm carburettor restrictor are anodised in a distinctive colour exclusive to this edition.
Additional upgrades include a new Dust Cover Ring and Exhaust Spacers to fine-tune engine performance to your preference.
This package comes complete with the latest EFRA2196 tuned muffler and its MR05 manifold, making it a truly special edition for performance enthusiasts. -
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OS T1201-4 CERAMIC...
£56.65Genuine OS parts.
CERAMIC REAR BEARING
Suits all OS .12 motors from 1201 to 1204 -
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OSSPEED OS21 CONROD...
£39.90R2101/2/3/4/5 & MAXIMA R6
With 3 Piston Circlips
- VSR01
- VSR02
- VSPTO01
- VSM01
- OS R2101
- OS R2102
- OS R2103
- OS R21 EURO
- OS 21XZ-R
OS 21XZ-GT
Length: .53" (13.5mm)
Diameter: .16" (4mm) -
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OS R2103...
£149.79Genuine 'OS' R2103 Liner/Piston & Rod set.
Displacement: 3.49 cc
Bore: 16.08 mm
Stroke: 17.2 mm -
EURO SPEC II R21 KIT...
£166.99OS SPEED R21 EURO SPEC II
LINER/PISTON/ROD ASSEMBLYDisplacement: 3.49 cc
Bore: 16.08 mm
Stroke: 17.2 mm -
O.S.SPEED CARBURETTOR...
£11.99O.S.SPEED CARBURETTOR REPAIR KIT 21
SIMILAR TO BASIC O RING SET BUT INCLUDES FITTING GUIDES.
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OS GLOWPLUG RP7
£12.99O.S. Engines T-Series RP7 Cold Heat Range Turbo Glow Plug.
Recommended for nitro ON-ROAD engines .12 -.21 16 - 25% nitro fuels
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OS GLOWPLUG RP8
£13.99O.S. Engines T-Series RP8 Ultra Cold Heat Range Turbo Glow Plug.
Recommended for nitro ON-ROAD engines .12 -.21 16 - 25% nitro fuels
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OS GLOWPLUG RP7 'GOLD'
£13.99O.S. Engines T-Series RP7 'GOLD'
Cold Heat Range Turbo Glow Plug.Recommended for nitro ON-ROAD engines .12 -.21 16 - 25% nitro fuels
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OS Manifold MR02 1/8...
£42.99NEW 'STRAIGHT' type manifold from OS Engines.
Combines Excellent Top End Speed with good Mid/Lowperformance and economy.
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MT03 Manifold for 1/10
£46.00NEW 'STRAIGHT TYPE' MANIFOLD AND FITTINGS FOR
ALL OS 1/10 ON-ROAD MOTORS. -
OS .21 T-2080SC TUNED...
£103.00GENUINE OS .21 TUNED PIPE
Specifically for OS2101/03/03/EURO Long Stroke Motors
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OS TUNED SILENCER...
£156.99NEW! IN STOCK NOW!
The New tuned silencer TR02 EFRA2165 kit supplied with
the MR02 manifold, designed for 1/8th on-road engines.Improved bottom end and mid range power, making for
smoother acceleration and better control.
Requires slight mixture change. Up to 1/4 turn richer. -
OS Manifold MR03 for 1/8
£52.00NEW 'STRAIGHT OUT' type manifold from OS Engines.
Combines Excellent Top End Speed with good Mid/Lowperformance and economy.
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Rush Mini Tyres 24...
£25.00Rush Mini Tyres 24 Round Pre-Glued 4pcs
Excellently pre-glued Tamiya mini tyres, new 5 spoke design wheel in 'Flex' materialmore grip and less chance of breaking.
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RUSH PRE-GLUED TYRES...
£21.00 £25.99From Rush for the 2025 outdoor tarmac season.
BRCA 1/10th Nationals control tyre 2025.
New Medium moulded insert.
2025 version identified with a blue sticker on wheel.
Stitched and glued belts for extra durability on long, fast type tracks.
Excellent RUSH gluing.
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XTREME TWISTER...
£23.99From Xtreme Aerodynamics is the Hugely popular Twister Speciale ETS 1/10th Touring Car Body.
Developed with leading driver Bruno Coelho.
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Xtreme Zenith - ETS TC...
£30.99New from Xtreme Aerodynamics the Zenith 1/10th Touring Body.
A new body developed to combine precision, stability, control and performance in a more complete balance.
Includes decals, window masks and hardware. Supplied clear.
EFRA/ETS Legal. BRCA Pending.
