RockShox Monarch R Rear Shock 190x51mm. Brought as an upgrade but unfortunately its too small for my sons bike. The item "RockShox Monarch R Rear Shock 190x51mm" is in sale since Monday, November 1, 2021. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Rear Shocks". The seller is "bosti_21" and is located in Redditch. This item can be shipped worldwide.