Avid 12mm hex carbon fibre track width spacers
Avid introduce 12mm hex carbon fibre track width spacers for any car that uses 12mm hexed with 5mm or smaller axles. Available as 0.5mm and 1.0mm variants, increasing the track width can help stabilise a vehicle on the front or rear end. Each set contains five spacers with the fifth one being a spare part. Also available is a 12-piece set including six 0.5mm and six 1.0mm spacers.
Source: Avid [avidrc.com]