RC MAKER 5016 - Shorty Battery Weights Set (40g) (2) (Option) SP1/SP1-F Option Parts it has been proven to

it has been proven to enhance the car performance on all surfaces and grip levels

The ladder itself is of a soft material and manufactured by AXON in Japan

With the thread in the top weight

These can be found - as well as the product instructions - on this page:

The aluminium housing shares the rounded and countersunk design with the 30 mm and 40 mm fans RP-254 and RP-255 for a long lifetime and small installation dimensions

RC MAKER 5016 - Shorty Battery Weights Set (40g) (2) (Option) SP1/SP1-F Option Parts it has been proven toOptional Shorty Battery Weight Set (40g) for RC MAKER SP1 This optional Shorty Battery Weight Set adds weight down low right next to the battery. This is required when using shorty batteries, to ensure that there is enough weight on the battery side to balance the car. Each weight is 40g, so this adds a total of 80g down nice and low at each end of the battery. The original carbon hooks sit on the top of the weight to hold the battery. The weights