Grex A150053 - Slider shift pin Grex from $3.08 $3.75 Qty. Add to Cart SKU: GRX-A150053 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Genuine Grex replacement part A150053 - Slider shift pin. For Grex Models TG, TS, XT (FEB08). Chart referance number 18. Tweet