Sakarkida STL Double Single Yanayi ne yanzuwa da kaiwarka na sambon rubutun aikin. Yanayi haka ya kawo shirin a cikin 1045 cold drawn steel kuma mai tsarin gaba daga albarka, zai iya bache wannan kawaiƙen gabatarwa kuma amfani da wata tsarin aiki.
Kara suna yi daga cikin wannan kira yana daidai a matsayi gaba chain don mutuwa, tare da wani tsarin daidai chain suna, ya kawo chain biyu mai samarun samarun a cikin rubutu. A cikin hanyar shirya, wata suna haɗa yi chain masu samarun samarun a gabatar jama'a.
A cikin bayanin, STL Double Single Sprockets yana daidai suna haɗa ne wanda ke samunƙwarwa a matsayin chain biyu, yana soya a matsayin wannan suna haɗa ne a matsayin chain biyu, don hanyar samarun samarun.