Park Tool - CRS-1 - Crown Race Setting System Stock Item:Default Title with channels on the top

with channels on the top and bottom

regardless of lean or cornering angles

Strip won't work on asymetric rims with off-center valve hole

For effective puncture resistance

Multiple mounting options to suit saddle and different seat posts

Park Tool - CRS-1 - Crown Race Setting System Stock Item:Default Title with channels on the topPARK TOOL CRS 1 CROWN RACE SETTING SYSTEM The CRS 1 offers six inserts with to install the fork crown race. The bearing surface is spared a direct hit by using different inserts to ensure a proper fit on the race. Choose the correct insert then slide the tube over the fork tube and into the top end of the insert. Using a hammer, tap firmly on the end cap of the tube and seat the race into its proper place safely and accurately. The CRS 1 set includes