4 Series (AFT4.06LP) -B4
U-Joint: 27mm x 74.6mm
Profile: Outer Lemon Tube
Tubing Size: 48mm x 2.9mm
4 Series (AFT4.07LP) -B4
Profile: Inner Lemon Tube
Tubing Size: 40mm x 4mm
4 Series (AFT4.06) -B4
Profile: Outer Triangular Tube
Tubing Size: 43.5mm x 3.4mm
4 Series (AFT4.07) -B4
Profile: Inner Triangular Tube
Tubing Size: 36mm x 4.5mm