Pre-tension Bolt for Shimano Hollowtech II Cranks Simplify things with an 8mm fitting and add a splash of your favorite anodized 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 TECH SPECS table{border-collapse:collapse;width:auto;max-width:100%;} td{text-align:left;padding:12px;font-weight:350;word-wrap:break-word;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model Hollowtech II Description Shimano Hollowtech II Pre-Tension Bolt Bolt Size 8mm Color Burgtec Black