For racers and hobbyists wanting crisper handling, the Tamiya 54906 M-08 Concept Aluminum Shaft Set OP-1906 is a straightforward upgrade. The kit swaps the steel center, counter and idler shafts for aluminium versions, cutting overall weight by 5.8 grams to help the car feel more responsive through corners.
Replacing heavier steel shafts reduces rotational mass, which can lead to quicker acceleration and sharper throttle response. These gains are useful for tight track sections and frequent direction changes where responsiveness matters most.
This shaft set is made for the M-08 Concept chassis and installs without modification, letting you fit the parts with standard hobby tools and get back on the track quickly.
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