前基座可能會安裝於:
前固定座 A:夾圓管(Clamp on round tubes)
1.偉士牌車架 U 型螺絲固定型(et8)— 圓管主車架Vespa U-bolt on main round frame tube (et8)
2.雙片管夾管束固定型(cb350)— 圓管引擎吊架Two-piece clamp on round engine hanger tube (cb350)
3.雙片管夾橋式固定型(ct125)— 圓管引擎吊架Two-piece clamp bridge type on round engine hanger tube (ct125)
前固定座 B:鎖原廠鎖點(Bolt to OEM points)
1.速可達升高板金型(bwsD)— 腳踏、掛勾 3 鎖點Scooter raised metal bracket — footrest + hook (3 points) (bwsD)
2.車架鎖點螺絲固定型(T100)— 車架鎖點Frame bolt-on type (T100)
3.三陽掛勾固定型 — 掛勾鎖點SYM hook mounting point type
4.Suzuki 掛勾固定型 — 掛勾鎖點Suzuki hook mounting point type
5.車架鎖點延長棒式固定型(xsr700)— 車架鎖點Frame extension rod type (xsr700)
6.板金橋式固定型(cub125)— 西裝架鎖點Metal bridge type — suit rack points (cub125)
7.板金棒式固定型(crf300)— 水箱護罩鎖點Metal rod type — radiator guard points (crf300)
8.橋式固定型(lx125)— 書包架鎖點Bridge type — rear bag rack points (lx125)