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Derailers: Difference between revisions

From Bike Collectives Wiki

Latest revision as of 10:54, 25 January 2011

This article is about the component. For the bike co-op, see Derailer Bicycle Collective.

Derailers are devices that move the chain from one gear to another like a train being derailed onto a different track.

Spanish

Desviadores (m)

References

Sheldon Brown's Derailer, Not Derailleur!

Bicycle Parts
Ball Bearings • Brakes (Caliper Brakes, Cantilever Brakes & Disc Brakes) • Brake Levers • Chainrings • Chains • Cranks
Derailers (Front & Rear) • Forks • Frame • Front Derailers • Handlebars • Hubs • Pedals • Quick Release
Rim • Seatposts • Seats • Shifters • Skewer • Spokes • Stems • Tires • Tubes • Wheels

Retrieved from "https://wiki2.bikelover.org/wiki/index.php?title=Derailers&oldid=9157"

Categories:

Debug data:

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[DBQuery] Wikimedia\Rdbms\DatabaseMysqlBase::open [0s] database_staging: SET group_concat_max_len = 262144, `sql_mode` = ''
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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
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[SQLBagOStuff] MainObjectStash using store ReplicatedBagOStuff
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[ContentHandler] Registered handler for wikitext: WikitextContentHandler
[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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Unstubbing $wgLang on call of $wgLang::getDatePreferenceMigrationMap from Language->internalUserTimeAndDate
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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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[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 = 7501 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 = 7502 LIMIT 1
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
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[GlobalTitleFail] MessageCache::parse called with no title set.
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
[DBQuery] MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds [0.001s] 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 page_namespace = 0 AND page_title = 'Derailers' AND rev_id = 9157 LIMIT 1
[ParserCache] Creating ParserCache instance for pcache
[ParserCache] Creating RevisionOutputCache instance for rcache
[DBQuery] Wikimedia\Rdbms\DatabaseMysqlBase::open [0s] database_staging: SET group_concat_max_len = 262144, `sql_mode` = ''
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: opened new connection for localAutoCommit/0
[DBQuery] SqlBagOStuff::fetchBlobs [0.002s] database_staging: SELECT keyname,value,exptime FROM `mw_objectcache` WHERE keyname = 'bikebike-mw_:pcache:idoptions:2358' AND (exptime >= '20241227084310')
[SQLBagOStuff] SqlBagOStuff debug: SqlBagOStuff::fetchBlobs: retrieved bikebike-mw_:pcache:idoptions:2358; expiry time is 20250103033730
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for localAutoCommit/0
[ParserCache] Parser cache options found
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for localAutoCommit/0
[DBQuery] SqlBagOStuff::fetchBlobs [0.003s] database_staging: SELECT keyname,value,exptime FROM `mw_objectcache` WHERE keyname = 'bikebike-mw_:pcache:idhash:2358-0!canonical' AND (exptime >= '20241227084310')
[SQLBagOStuff] SqlBagOStuff debug: SqlBagOStuff::fetchBlobs: retrieved bikebike-mw_:pcache:idhash:2358-0!canonical; expiry time is 20250103033730
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for localAutoCommit/0
[ParserCache] ParserOutput cache found
ContextSource::getContext (MediaWiki\Skins\Vector\SkinVector22): called and $context is null. Using RequestContext::getMain()
[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0
[DBQuery] OutputPage::addCategoryLinksToLBAndGetResult [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,pp_value FROM `mw_page` LEFT JOIN `mw_page_props` ON (pp_propname = 'hiddencat' AND (pp_page = page_id)) WHERE ((page_namespace = 14 AND page_title IN ('Bicycle_Parts','Definitions') ))
[DBQuery] MediaWiki::preOutputCommit [0s] database_staging: COMMIT
MediaWiki::preOutputCommit: primary transaction round committed
[DeferredUpdates] DeferredUpdates::run: started MWCallableUpdate_WikiPage->doViewUpdates #723
[DeferredUpdates] DeferredUpdates::run: ended MWCallableUpdate_WikiPage->doViewUpdates #723, processing time: 8.2015991210938E-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 = 'Derailers')
[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

@@ Line 1: / Line 1: @@
-{{otheruses4|derailleurs|the co-op|Derailer Bicycle Collective}}
+''This article is about the component. For the bike co-op, see [[Derailer Bicycle Collective]].''
-'''Derailers''' are devices that move the chain from one gear to another like a train being derailed onto a different track.  [[Image:train_track_switch.jpg|thumb|right|Train track switch used to derail trains.]]
+'''Derailers''' are devices that move the chain from one gear to another like a train being derailed onto a different track.
 == See Also ==
@@ Line 21: / Line 22: @@
 [[Category:Bicycle Parts]]
+[[Category:Definitions]]