Now that the hexagonalshaped crank bolt is visible, look to see if the crank has pinch bolts (2 smaller bolts) close to the top of its arm If so, insert an Allen key into the holes and then turn counterclockwise until you can remove the arm from the rest of the crankset If not, make sure that your bike doesn't have crank bolts on both sides of the bike but remove it if it's there using anSHIMANO ULTEGRA HOLLOWTECH II Road Crankset 2x11speed VIEW PRODUCT ULTEGRA 6800 Series FC6800 VIEW PRODUCT SHIMANO 105 R7000 Series SHIMANO 105 HOLLOWTECH II Road Crankset 2x11speed VIEW PRODUCT SHIMANO 105 5800 Series FC5800 VIEW PRODUCT DURAACE TRACK 7710 Series FC7710 VIEW PRODUCT How to remove your road bike's crankset Loosen the lefthand crank bolts First, use a 4mm Allen key to loosen up the hex bolts that hold the lefthand crank arm onto the crank spindle Remove the adjustment cap Remove the crankset Clean up the bottom bracket
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