Difference between revisions of "Bottom Bracket Options"
From Pvdwiki
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+ | ==Shimano Press-fit== | ||
+ | |||
New Press-fit Bottom bracket from shimano. Dura-Ace. SM-FC7800-P | New Press-fit Bottom bracket from shimano. Dura-Ace. SM-FC7800-P | ||
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Dura-Ace. SM-FC7800-P | Dura-Ace. SM-FC7800-P | ||
− | + | Allows for full carbon bottom bracket shells. | |
− | + | Wider shell spacing for improved suspension designs. | |
− | + | press releases say that scott has exclusive rights in the first year, but we all know how the bike industry really works. Yeti already has show bikes with it. The AS-R. | |
+ | ==Shell Design== | ||
+ | *Road, 86.5mm shell | ||
+ | *MTB, 92mm shell | ||
+ | *MTB, 89.5mm shell with a2.5mm spacer on right side | ||
− | + | If the shell is not sealed, an inner cover is needed: | |
+ | *Road, FC-7800 Inner Cover | ||
+ | *MTB, FC-M960 Inner Cover | ||
− | + | The inside of the shell needs a 41mm diameter 9.3mm deep ream on each side. | |
+ | ==Reaming and Facing the Shell== | ||
− | |||
− | |||
[[category:Bicycle]] | [[category:Bicycle]] | ||
[[category:Frame Building]] | [[category:Frame Building]] |
Revision as of 16:34, 1 November 2007
Shimano Press-fit
New Press-fit Bottom bracket from shimano. Dura-Ace. SM-FC7800-P
Shimano's new press fit BB will allow for a bunch more options with bottom bracket widths and walls.
Dura-Ace. SM-FC7800-P
Allows for full carbon bottom bracket shells.
Wider shell spacing for improved suspension designs.
press releases say that scott has exclusive rights in the first year, but we all know how the bike industry really works. Yeti already has show bikes with it. The AS-R.
Shell Design
- Road, 86.5mm shell
- MTB, 92mm shell
- MTB, 89.5mm shell with a2.5mm spacer on right side
If the shell is not sealed, an inner cover is needed:
- Road, FC-7800 Inner Cover
- MTB, FC-M960 Inner Cover
The inside of the shell needs a 41mm diameter 9.3mm deep ream on each side.