Ronstan Series 30 BB Sheave, Alloy, OD30mm x W7.7mm x ID6.2mm
Ronstan Series 30 BB Sheave, Alloy, OD30mm x W7.7mm x ID6.2mm Part Number - RON-RF34000RON-RF34000. HARKEN Dual Sheave In-Line Exit Bullet Block. Part Number - RON-RF34000. HARKEN MR Pinstop Car with Shackle.