Shimano BB-UN300 Bottom Bracket - English 68 x 107mm Spindle Square Taper JIS

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure SHIMANO quality/performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer Series: Shimano Tourney TX800 Series Fits JIS square-taper cranksets Available in regular fit or fit for a full enclosed chain case Hollow spindle Crankarm fixing bolts sold separately Adapter material: Aluminum