Ohlins Air Stroke Spacer Kit - For TTX Air Rear ShockChange the stroke on the Ohlins TTX Air m. 1 rear shock by unthreading the end eye and sliding these spacers onto the shaft to get the correct stroke. All TTX Air shocks arrive from the factory set up in the longest stroke. Intended for the m. 1 version of the TTX Air Kit includes (4) stroke reducing spacers and (1) stroke volume reducer Spacer one (7mm long = Full stroke), Spacer two (9. 5mm long = Reduces stroke 2. 5mm, Spacer three (12mm long =