Oxford Carbon Lever Guard - Gloss S3-Size-41 The slider is made from

The slider is made from the same material as all R&G crash protectors: High density polyethylene (HDPE) This type of plastic is used as it isn’t brittle and has the ability to wear in a way that helps slow down a sliding bike

Specifically

A Quality Pair of Fork Oil Seals from All Balls Racing

Size: Monimoto 9 is 40% smaller than Monimoto 7

The bikers (they don't have warning triangle)

Oxford Carbon Lever Guard - Gloss S3-Size-41 The slider is made fromA right hand sided, race ready Carbon fibre lever guard which delivers great strength to weight ratio and a minimal, clean aesthetic. The new OXFORD Carbon Lever Guard will keep your brake protected both on and off the track from any foreign contact. Features: Lightweight. High strength to weight ratio. Simple installation. 3K carbon weave. Mandatory for track use. Available in gloss or matte finish. Includes 1 x lever guard 12 18mm expansion bushes