Burgtec Shimano Crank Bolts. Features: Pre-tension Bolt for Shimano Hollowtech II Cranks Simplify things with an 8mm fitting and add a splash of your favorite anodised color. Never worry about turning the garage upside down at midnight to find that little 'thingy' to pre tension your cranks ever again Remember this product needs minimal torque and do not exceed the manufacturers maximum recommended torque 0.7 to 1.5Nm Fits: Saint FC-M800, FC-M820, FC-M825; XTR FC-M9000, FC-M985; XT M7100, FC-M8000, FC-M785, FC-M782, FC-M780, FC-M771, FC-M770, FC-M761, FC-M760; SLX M6100, FC-M7000, FC-M675, FC-M672, FC-M670, FC-M677, FC-M665, FC-M660; ZEE FC-M645, FC-M640; LX FC-M583, FC-M582; Deore FC-M612, FC-M610, FC-M615, FC-M617, FC-M591, FC-M590; EBike M8000, M8050; Trekking FC-T781, FC-T780, FC-T551, FC-T8000; FC-M532, FC-M542, FC-M545, FC-M552, FC-M590, FC-M596, FC-M591, FC-M610, FC-M617, FC-M660, FC-M665, FC-M770, FC-M771, FC-M780, FC-M785, FC-M6000, FC-M6100, FC-M7000, FC-M7100, FC-M8000, FC-E8000 (EBike), FC-M9000; FC-M622, FC-M625, FC-M627, FC-M552, FC-M545, FC-M543, FC-M542, FC-M533, FC-M532, FC-M4060, FC-M4050; FC-MT500-3, FC-MT700-2 Specs: Fits:Shimano Hollowtech II Cranks Bolt Size:8mm Color:Burgtec Black