Aikin 1 na birkin babbar motar shine aminci; a cikin wannan aikace-aikacen, akwai hanyoyi fiye da ɗaya don dakatar da babbar mota. Drums ya zama zaɓi na birki ga manyan motoci da yawa, amma birkunan iska (ADBs) suna ci gaba da samun farin jini a kusan duk aikace-aikacen da ke kan hanya.

"Yanzu [ADB] shigar da kasuwa yana cikin kewayon 12% zuwa 15% don rukunin wutar lantarki da 8% zuwa 10% na tirela," in ji John Thompson, manajan tallace-tallace CV NAFTA, don TMD Friction, mai samar da kayan hawan motocin kasuwanci, birki gammaye da layuka ga duka OE da kuma kasuwar bayan fage. “Shigarwa na karuwa kuma a halin yanzu anyi imanin cewa kutsawar zata daidaita a zangon 20% a cikin shekaru biyar masu zuwa. Wasu OEMs suna daidaitacce tare da birki na diski na axle, kuma caji don ƙididdigar birki na diski ya ragu kaɗan. Waɗannan hanyoyin, haɗe tare da ingantaccen aiki akan birkin cam, za su taimaka haɓaka ƙaruwar kasuwa.

Kayan Jirgin Sama sun yi magana da manyan masu hankali a cikin kasuwannin birki da gogayya don samun amsoshin tambayoyin takamaiman birki da aka fi tambaya.