Titan Cassette Road 11x 11-30T, Shi/Sr compatibel, not for Ebike

With 6AL / 4V titanium cogs, fixed on 7075 alloy carrier, the smallest three cogs are removable 11 & 12T (one-piece), 13T (one-piece), others are fixed with SUS rivets. Gear range of 11/12/13/15/17/19/21/23/25/27 / 30T Shimano / Sram 11-speed RD compatible Material: AL7075 carrier & 30T, 6AL / 4V titanium housing (11 ~ 27T), SUS rivets