Park Tool BTS-1 English Bottom Bracket Taps Facer and Handle Set MFPN=11.4018.082.023 Compatible with new 12-speed and

Compatible with new 12-speed and road 11-speed freehub bodies

Misc T2840 135x10mm

Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the beneifits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings

compatibility 30

ESPECIALLY if you're running step-in style bindings

Park Tool BTS-1 English Bottom Bracket Taps Facer and Handle Set MFPN=11.4018.082.023 Compatible with new 12-speed andPark Tool BTS 1 English Bottom Bracket Taps Facer and Handle Set. Professional level Tap and Facing Tools made from precision hardened cutting steel for retapping or facing bicycle frames.