Limit screw
The limit screws set the "limit" of the derailleur in its highest and lowest positions by coming into contact with the derailleur cage as it tries to travel toward or away from the frame.
The limit screws set the "limit" of the derailleur in its highest and lowest positions by coming into contact with the derailleur cage as it tries to travel toward or away from the frame.
Start request GET /wiki/index.php?direction=prev&oldid=5462&title=Limit_screw
IP: 172.18.0.2
HTTP HEADERS:
ACCEPT-ENCODING: gzip, br, zstd, deflate
USER-AGENT: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
ACCEPT: */*
X-ORIGINAL-URI: /wiki/index.php?direction=prev&oldid=5462&title=Limit_screw
X-FORWARDED-PORT: 443
X-FORWARDED-SSL: on
X-FORWARDED-PROTO: https
X-FORWARDED-FOR: 3.133.134.92
X-REAL-IP: 3.133.134.92
CONNECTION: close
HOST: wiki2.bikelover.org
CONTENT-LENGTH:
CONTENT-TYPE:
(end headers)[session] SessionManager using store APCUBagOStuff[localisation] LocalisationCache using store LCStoreCDB[session] SessionBackend "v675fuvv145hq3fgn02804pio8rpg0t2" is unsaved, marking dirty in constructor[session] SessionBackend "v675fuvv145hq3fgn02804pio8rpg0t2" save: dataDirty=1 metaDirty=1 forcePersist=0[cookie] already deleted setcookie: "bikebike_mw__session", "", "1700214622", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_UserID", "", "1700214622", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_Token", "", "1700214622", "/", "", "1", "1", ""[cookie] already deleted setcookie: "forceHTTPS", "", "1700214622", "/", "", "", "1", ""[session] SessionBackend "v675fuvv145hq3fgn02804pio8rpg0t2" 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 "v675fuvv145hq3fgn02804pio8rpg0t2" 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 {
"IPAddress": "172.18.0.2",
"UserAgent": "Mozilla\/5.0 AppleWebKit\/537.36 (KHTML, like Gecko; compatible; ClaudeBot\/1.0; +claudebot@anthropic.com)",
"ChronologyProtection": false,
"ChronologyPositionIndex": 0,
"ChronologyClientId": false
}[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 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 = 5462 LIMIT 1[SQLBagOStuff] MainObjectStash using store ReplicatedBagOStuff[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] WikiPage::pageData [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_random,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 0 AND page_title = 'Limit_screw' LIMIT 1[ContentHandler] Registered handler for wikitext: WikitextContentHandler[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::getRelativeRevision [0s] database_staging: SELECT rev_id FROM `mw_revision` IGNORE INDEX (rev_timestamp) WHERE rev_page = 1776 AND (rev_timestamp < '20071201051357' OR (rev_timestamp = '20071201051357' AND rev_id < 5462 )) ORDER BY rev_timestamp DESC,rev_id DESC LIMIT 1[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 = 3336 LIMIT 1[MessageCache] MessageCache using store APCUBagOStuff[MessageCache] MessageCache::loadUnguarded: Loading en... got from local cacheParserFactory: using default preprocessorContextSource::getContext (MediaWiki\Skins\Vector\SkinVector22): called and $context is null. Using RequestContext::getMain()[ParserCache] Creating ParserCache instance for pcache[ParserCache] Creating RevisionOutputCache instance for rcache[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 = 3336 LIMIT 1Unstubbing $wgLang on call of $wgLang::getDatePreferenceMigrationMap from Language->internalUserTimeAndDate[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Page\PageStore::getPageByNameViaLinkCache [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 2 AND page_title = 'Lacey' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Page\PageStore::getPageByNameViaLinkCache [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 3 AND page_title = 'Lacey' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::getRelativeRevision [0s] database_staging: SELECT rev_id FROM `mw_revision` IGNORE INDEX (rev_timestamp) WHERE rev_page = 1776 AND (rev_timestamp < '20070708170609' OR (rev_timestamp = '20070708170609' AND rev_id < 3336 )) ORDER BY rev_timestamp DESC,rev_id DESC LIMIT 1Article::generateContentOutput: doing uncached parse[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::loadSlotRecordsFromDb [0s] database_staging: SELECT slot_revision_id,slot_content_id,slot_origin,slot_role_id,content_size,content_sha1,content_address,content_model FROM `mw_slots` JOIN `mw_content` ON ((slot_content_id = content_id)) WHERE slot_revision_id = 3336[DBQuery] MediaWiki::preOutputCommit [0s] database_staging: COMMITMediaWiki::preOutputCommit: primary transaction round committed[DeferredUpdates] DeferredUpdates::run: started MWCallableUpdate_WikiPage->doViewUpdates #716[DeferredUpdates] DeferredUpdates::run: ended MWCallableUpdate_WikiPage->doViewUpdates #716, processing time: 7.5817108154297E-5MediaWiki::preOutputCommit: pre-send deferred updates completedMediaWiki::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 completedOutputPage::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 = 'Limit_screw')[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[gitinfo] Candidate cacheFile=/var/www/html/w/gitinfo.json for /var/www/html/w[gitinfo] Cache incomplete for /var/www/html/w