Suitable for:Mtb Crank Bolt for mountain bikes and road bikes. Great accessory for cycling enthusiasts. Good Replacement:Chainring Bolts is wonderful replacement part replacement for your broken or old ones.Applied replacement for Shimano 590 596 XT XTR SLX crankset. Easy Installtion:ycle Crankset Parts is easy to install by using the British 3/8 allen wrench(not included). Meet Your Need:Several colors are available, also updating your bike.You can choose your favorite color according to your preferences and needs. Aluminum alloy material:ycle crank bolt made of high quality aluminum alloy, solid, firm and durable. Good treatment with a fine texture ensures a long service life. Product Description Fine workmanship The aluminium alloy crank screw with fine design and precise machining fits perfectly with the crank and provides professional fixing of the crank. The bike mounting screw is a wonderful replacement part for your broken or old one. Specification: Product name: GUB G-20 special crank screw for hollow chain blade Specification: M20 x 8 Material: Aluminium alloy Weight: approx. 7 g / piece Colour: red, black, blue, gold, titanium Suitable for: Shimano 590 596 XT XTR SLX integrated chainring Note: Please use the 3/8 inch Allen key Features: Applied 590 596 XT XTR SLX crankset.Aluminum alloy construction, rustproof, corrosion resistant, durable.Easy installation with the UK 3/8 Allen key (not included).Wonderful replacement part for your broken or old one.