Trouses always get dirty while cycling? This chainring guard can prevent your trousers getting dirty from chian oil while cycling. On the other hand, the chainring guard can prevent the trouser legs from being rolled into the chainring gear during riding, and has the effect of preventing breakage and oil.Please make sure if the dimensions of your crank set is applicable to this cover and make sure if your crank ring has 4 screw holes. Friendly reminder: Before buying the chainring guard, please accurately measure the hole center size of the adjacent holes, count the number of teeth of the chainring, and buy according to your own measurement. The measurement is inaccurate and the installation cannot be installed! Purchasing criteria: Measure the size of the distance between the centers of two adjacent holes of the chainring, count the number of teeth of the chainring, and purchase the corresponding guard model. Installation method Step 1 Prepare the screw driver, and then push the chain guard protector in from the crank position Step 2 Turn it over and align the hole position Step 3 Tighten the screws on the back, attention, do not tighten them immediately, fix all the screws one by one, and then tighten them. Specifications: Material: PlasticColor: BlackDiagonal Pitch: Approx. 15.5cm/6.1inchAdjacent Pitch: Approx. 11cm/4.3inchCompatible for Shimanos M430, M590, M390Weight: Approx. 37g Package List: 1 x Crank Ring Protector4 x Screws4 x Nuts4 x Gaskets HIGH COMPATIBLITY The Chain Guard Protector has a complete range of sizes and styles, which are well compatible with Shimanos M430, M590, M390, besides, other type please check the size information, if the size fits, then, it will fit. CLASSIC DESIGN CHAINRING PROTECTOR WELL FITMENT EASY TO INSTALL HIGH COMPATIBLITY Note: 1. Please make sure if the sizes of your crank set is applicable to this cover and make sure if your crank ring has 4 screw holes.2. The length of the screw is just right, no need to change, any change will affect the speed change.3. Please note that this product is only suitable for Shimanos M430 and M590 and M390 guard discs, suitable for chain discs with a maximum of 44 teeth. When installing, it should be noted that when some chain rings leave the factory, there is no thread in the mounting hole, so you need to tapping it yourself.4. It should be noted that some 590 cranksets do not have four screw holes. This product cannot be installed with this type of crankset. Please confirm carefully before ordering.
