, high quality. Aluminum alloy construction, corrosion & heat resistant, sturdy and durable. Compact size and light weight, easy installation.Upgraded from traditional brake pump, greatly improve the performance of the clutch switching performance. Rapid clutch-switching effects to make your shift speed time reduced more than 10%.You can use an ordinary standard brake hoses (steel throat) be modified, the pump can be self-configuring.Pump under the head of the anchor head is silking, can a wide range of length ofthe distance, adjust position according to the model, using thread tighten glue,prevent loose change position. Some vehicles anchor head is U plate (Suzukiking GS125 machine, for example), as long as take U plate, installs to the pumphead endFixed long screw pump under as m10x1.25 standard, and the adjustable range is long,suitable for most models modified line of clutch and brake line, but some models(such as GS125 machine) of the car pull head fixed positionis silking, need to use 8.2 mm drill bit, removing silking to installUniversal fit for most motorcycles, ATV, and dirt bike.Name: Hydraulic Clutch PumpInstallation First will fill the brake oil pump under lie flat, do not have air, silk mouth is verybig, can be seen there was a bubbleSee above screw, tubing with good twist screws, do not tighten, request screwside holes can be exposedThis is the key, be sure to look good on the pump and tubing, and highup, the oil pump oil cup, and then pressure several times at random (10) handle,OK now just waiting for (don't allow any action) 5-10 minutes later, in the aboveside didn't tighten the screw hole will see the brake oil flow out, then lock screw,exhaustHydraulic clutch exhaust complete inspection methods: push the pump underthe wire to the pump body en croute, hand pinch on the pump handle, handle tipto move about 3 cm, knead not bottom go to, is correct. (press the handle untilthe pressure not bottom go to, there are about 3 cm distance handlebar, itfinished the exhaust, but loading debugging), loading, must pull wire , againunder the fixed pump, (make sure to loosen the clutch handle, wire all stretchedout)size:Piston Diameter: 14mmMaterial:Aluminum alloycolour:BlackPackage Contents:1 x Motorcycle clutch pumpOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.