HSM-101 MTB Semi-integrated threadless MTB Size 1-1/8" Material Aluminum cover Finish Anodized black Dia 28.6/44/30 Stack height 5.5+3=8.5 Bearing Semi-cartridge Set 5pcs Weigth 101g/set

HSR-101 Road integrated threadless road Esay drop-in assembly Low stack height Size 1-1/8" Material Aluminum cover Finish Anodized black Dia 28.6/41/30 Stack height 11.3+0.65=11.95 Bearing Sealed cartidge Set 5pcs Weigth 58g/set