You are in the Bike Trial brake boosters corner.
Brake booster from Jitsie brand, Race range, for Trial and Biketrial bicycles are using hydraulic rim brake system as Magura HS33. This models is joining in only one piece the bosster and the clamps, offering an exceptional strength and power. Made in high quality aluminium and CNC machined. Black anodized. 74 grams of weight (without screws).
Brand: JITSIE
Brake booster from Jitsie brand, Race range, for Trial and Biketrial bicycles are using hydraulic rim brake system as Magura HS33. This models is joining in only one piece the bosster and the clamps, offering an exceptional strength and power. Made in high quality aluminium and CNC machined. Red anodised. 74 grams of weight (without screws).