New from PR racing for the SB-401R is the 2mm narrower FF block (77510010-PR SB401-R FF Suspension Mount 2mm narrower)
And 2mm narrower FR block (77510020-PR SB401-R FR Suspension Mount 2mm narrower)
These will help give more steering on smaller tight tracks with medium to high grip surfaces.
And 2mm narrower FR block (77510020-PR SB401-R FR Suspension Mount 2mm narrower)
These will help give more steering on smaller tight tracks with medium to high grip surfaces.