PROPER - MICROLITE MID BB / BMX ボトムブラケット ミッド 19mm

MICROlite BOTTOM BRACKET CNC切削されたカバーが特徴的なBBセット。 The cone spacers are CNC machined to match our headset, hubs etc. The sealed cartridge bearings are built to last and each BB set comes complete with a matching center spacing tube.