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Bottom bracket: Difference between revisions

From Bike Collectives Wiki

Revision as of 22:42, 13 July 2007

Bottom Brackets are what your crank arms attach to spin.

Types

Cartridge

Also known as a Sealed Bottom Bracket.

Cup & Cone/ Unsealed

These have a lock ring and have either a threaded or cotter pin axle.

One Piece

Commonly found on inexpensive BMX bikes.

References

Sheldon Brown's Bottom Bracket Definition

Retrieved from "https://wiki2.bikelover.org/wiki/index.php?title=Bottom_bracket&oldid=3388"

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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[ParserCache] Creating ParserCache instance for pcache
[ParserCache] Creating RevisionOutputCache instance for rcache
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
[DBQuery] LinkHolderArray::replaceInternal [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model FROM `mw_page` WHERE ((page_namespace = 0 AND page_title IN ('Crank_arms','Cartridge','Cup_&_Cone/_Unsealed','One_Piece') ))
ContextSource::getContext (MediaWiki\Skins\Vector\SkinVector22): called and $context is null. Using RequestContext::getMain()
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[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
[DBQuery] MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds [0s] database_staging: SELECT rev_id,rev_page,rev_timestamp,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,comment_rev_comment.comment_text AS `rev_comment_text`,comment_rev_comment.comment_data AS `rev_comment_data`,comment_rev_comment.comment_id AS `rev_comment_cid`,actor_rev_user.actor_user AS `rev_user`,actor_rev_user.actor_name AS `rev_user_text`,rev_actor,page_namespace,page_title,page_id,page_latest,page_is_redirect,page_len,user_name FROM `mw_revision` JOIN `mw_revision_comment_temp` `temp_rev_comment` ON ((temp_rev_comment.revcomment_rev = rev_id)) JOIN `mw_comment` `comment_rev_comment` ON ((comment_rev_comment.comment_id = temp_rev_comment.revcomment_comment_id)) JOIN `mw_actor` `actor_rev_user` ON ((actor_rev_user.actor_id = rev_actor)) JOIN `mw_page` ON ((page_id = rev_page)) LEFT JOIN `mw_user` ON ((actor_rev_user.actor_user != 0) AND (user_id = actor_rev_user.actor_user)) WHERE rev_id = 3386 LIMIT 1
[DBQuery] MediaWiki::preOutputCommit [0s] database_staging: COMMIT
MediaWiki::preOutputCommit: primary transaction round committed
[DeferredUpdates] DeferredUpdates::run: started MWCallableUpdate_WikiPage->doViewUpdates #729
[DeferredUpdates] DeferredUpdates::run: ended MWCallableUpdate_WikiPage->doViewUpdates #729, processing time: 9.7036361694336E-5
MediaWiki::preOutputCommit: pre-send deferred updates completed
MediaWiki::preOutputCommit: session changes committed
[DBReplication] Wikimedia\Rdbms\ChronologyProtector::persistSessionReplicationPositions: no primary positions/timestamps to save
[DBReplication] Wikimedia\Rdbms\LBFactory::shutdown: finished ChronologyProtector shutdown
[DBReplication] LBFactory shutdown completed
OutputPage::haveCacheVaryCookies: no cache-varying cookies found
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
[DBQuery] Wikimedia\Rdbms\Database::beginIfImplied (LinkBatch::doQuery (for Skin::preloadExistence)) [0s] database_staging: BEGIN
[DBQuery] LinkBatch::doQuery (for Skin::preloadExistence) [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model FROM `mw_page` WHERE (page_namespace = 1 AND page_title = 'Bottom_bracket')
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
[DBQuery] MediaWiki\User\TalkPageNotificationManager::dbCheckNewUserMessages [0s] database_staging: SELECT user_ip FROM `mw_user_newtalk` WHERE user_ip = '172.18.0.2' LIMIT 1
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[gitinfo] Cache incomplete for /var/www/html/w

@@ Line 3: / Line 3: @@
 == Types ==
-=== Cartridge ===
+[[Cartridge]]
 Also known as a '''Sealed''' Bottom Bracket.
-=== Cup & Cone ===
+[[Cup & Cone/ Unsealed]]
 These have a lock ring and have either a threaded or cotter pin axle.
-=== One Piece ===
+[[One Piece]]
 Commonly found on inexpensive BMX bikes.