Rear Shock Shaft Set 4x115mm $19.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: HPI86438 Out of Stock ABOUT THIS PRODUCT:Rear Shock Shaft Set 4x115mmAboutAboutSet of two (2) rear shock shafts for the HPI Baja 5b. 4mm x 115mm. HPI part # 86438.