WHL RR 27.5 WTB SX19 BK 32 OR8 MT3110 12mm 8-10sp 6B SEAL BK 142mm DTI2.0BK 27.5 Wheel Size Rim Model: WTB SX19 Hub Model: OR8 MT-2100 Sealed Thru 15mm Spoke Count: 32H Rotor Mount (disc wheels only): 6B