Bottom Brackets are what your crank arms attach to spin.
Identified off the bike by the roughly 1" tubing around the axle.
These have a lock ring and have either a threaded or cotter pin axle.
Commonly found on inexpensive BMX bikes.
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X-ORIGINAL-URI: /wiki/index.php?direction=next&oldid=5070&title=Bottom_bracket
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HOST: wiki2.bikelover.org
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(end headers)[session] SessionManager using store APCUBagOStuff[localisation] LocalisationCache using store LCStoreCDB[session] SessionBackend "6qeq0011ifii4cpjdp8re3ki9oqjc9j3" is unsaved, marking dirty in constructor[session] SessionBackend "6qeq0011ifii4cpjdp8re3ki9oqjc9j3" save: dataDirty=1 metaDirty=1 forcePersist=0[cookie] already deleted setcookie: "bikebike_mw__session", "", "1700231215", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_UserID", "", "1700231215", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_Token", "", "1700231215", "/", "", "1", "1", ""[cookie] already deleted setcookie: "forceHTTPS", "", "1700231215", "/", "", "", "1", ""[session] SessionBackend "6qeq0011ifii4cpjdp8re3ki9oqjc9j3" data dirty due to dirty(): MediaWiki\Session\SessionManager->getSessionForRequest/MediaWiki\Session\SessionManager->getInitialSession/MediaWiki\Session\Session->getToken/MediaWiki\Session\Session->set/MediaWiki\Session\SessionBackend->dirty[session] SessionBackend "6qeq0011ifii4cpjdp8re3ki9oqjc9j3" save: dataDirty=1 metaDirty=0 forcePersist=0[DBQuery] Wikimedia\Rdbms\DatabaseMysqlBase::open [0s] database_staging: SET group_concat_max_len = 262144, `sql_mode` = ''[DBReplication] Wikimedia\Rdbms\LBFactory::getChronologyProtector: request info {
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}[DBReplication] ChronologyProtector using store APCUBagOStuff[DBReplication] ChronologyProtector fetching positions for 00aba87f0d2b34d22fa7da60bd405aff[DBReplication] Wikimedia\Rdbms\ChronologyProtector::applySessionReplicationPosition: DEFAULT (database_staging) has no position[DBConnection] Wikimedia\Rdbms\LoadBalancer::lazyLoadReplicationPositions: executed chronology callback.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: opened new connection for local/0[DBQuery] Wikimedia\Rdbms\Database::beginIfImplied (MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds) [0s] database_staging: BEGIN[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 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