This is a A-BP122551500 Inner Tube PN: BP122551500Main Description As Following : A-BP122551500 Inner Tube PN: BP122551500 Found in Section & Models : Driveline > Driveline Components, Bondioli & Pavesi SFT EL Series: Size SH Associated Items : New Also This is An Aftermarket Product And : Standard 4 Lobe Outer Profile Tube. O.D.: 61.7 mm, Wall Thickness: 5.75 mm. Length: 1500 mm. . Original Bondioli & Pavesi part.