RockShox 29 SID RLC A1/SID XX, RL B1/Reba A7 80-100mm Solo Air/Tapered, 51mm, Boost, Gloss Black. The item "RockShox 29 SID RLC A1/SID XX, RL B1/Reba A7 80-100mm Solo Air 51mm Boost Black" is in sale since Wednesday, March 11, 2020. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Other Bike Components & Parts". The seller is "planetcyclery" and is located in Broomfield, Colorado. This item can be shipped worldwide.