Rear Gear Rod Guide Bush, Metal 50-56. 211-711-199 211711199 £9.50 Quantity: at £9.50 each Add To Basket Gear rod guide spring, this is the spring that guides the rear shift rod on all early split bus 50-58. Whenever there is no gear rod guide tube then this is the bush needed. 2 Required per bus. Exact reproduction of the original part.