Bottom Bracket list
From Retrobike Wiki
Bottom Bracket list is a table with a list of bottom brackets and their weights, as measured by Retrobike users.
| Manufacturer | Model | Interface | Shell Width /mm | Spindle /mm | Weight Claimed /g | Weight Actual /g | Material | Comments |
| Action Tech | Ti | 170 | Titanium | Standard Klein bearings | ||||
| Boone | Helixx | 107 | 147 | |||||
| Campagnolo | Ti | 200 | Titanium | Road | ||||
| Coda | Magic | 68 | 253 | 1994, inc. bearings, no bolts | ||||
| FSA | Ultimax Carbon | 68 | 110 | 172 | Carbon/Titanium | |||
| FSA | Ultimax CroMo | 68 | 110 | 226 | CroMo | |||
| FSA | Ultimax CroMo | 68 | 116 | 234 | CroMo | |||
| FSA | Ultimax CroMo | 68 | 116 | 236 | CroMo | |||
| FSA | Ultimax CroMo | 73 | 113 | 238 | CroMo | |||
| FSA | Ultimax Titanium | 163 | Titanium | |||||
| GT | Ti | 107 | 157 | Titanium | ||||
| Klein | Press Fit | 122 | 150 | Titanium | White Industries axle | |||
| Kooka | Ti | 150 | Titanium | |||||
| McMahon | Ti | 73 | 119 | 179 | Titanium | |||
| Race Face | Taperlock Ti | 107 | 164 | Titanium | ||||
| Race Face | Taperlock Ti | 110 | 167 | Titanium | ||||
| Royce | Ti | 200 | Titanium | |||||
| Royce | Ti | 116 | 191 | Titanium | 228g inc. 2 Royce Ti bolts | |||
| Royce | Ti | 116 | 170 | Titanium | alloy middle spacer removed | |||
| Shimano | Deore ES30 | 278 | ||||||
| Shimano | Deore XT Hollowtech ES71 | Octalink | 272 | |||||
| Shimano | Deore XTR Hollowtech | 187 | ||||||
| Shimano | UN51 | Square taper | 68 | 118 | 330 | no bolts | ||
| Shimano | UN51 | Square taper | 68 | 122 | 342 | no bolts | ||
| Shimano | UN52 | Square taper | 73 | 108 | 360 | |||
| Shimano | UN54 | Square taper | 73 | 110 | 288 | |||
| Shimano | UN71 | Square taper | 73 | 113 | 252 | |||
| Shimano | UN72 | Square taper | 68 | 113 | 254 | |||
| Shimano | UN72 | Square taper | 73 | 107 | 245 | CroMo | ||
| Shimano | UN72 | Square taper | 73 | 108 | 246 | support cup 11g, no bolts | ||
| Shimano | UN72 | Square taper | 73 | 113 | 251 | support cup 9g, no bolts | ||
| Shimano | UN72 | Square taper | 73 | 113 | 256 | support cup 15g, no bolts | ||
| Shimano | UN73 | Square taper | 73 | 110 | 260 | |||
| Shimano | UN73 | Square taper | 73 | 113 | 266 | no bolts | ||
| Shimano | UN91 | 68 | 108 | 248 | ||||
| Shimano | XTR M952 | 116 | 214 | |||||
| Specialised | TNT | 73 | 108 | 142 | Titanium | |||
| Specialites TA | Axix Light | 113 | 152 | Titanium | ||||
| Specialites TA | Axix Light | 116 | 155 | Titanium | ||||
| Suntour | XC Pro | 68 | 343 | |||||
| Syncros | Proseries Ti | 175 | Titanium | |||||
| Syncros | Ti | 200 | Titanium | |||||
| Syncros | Titanium | 107 | 154 | Titanium | single row | |||
| Syncros | Titanium | 107 | 171 | Titanium | double row | |||
| Tune | AC38 | 107 | 155 | Titanium | ||||
| Worldclass | Titanium | 107 | 165 | Titanium |
