Features:<br />High-strength aluminum alloy construction.<br />54T ratchet system transfer torque at the lowest weight.<br />Smooth surface finish of the contact area for the high precision, low friction rotary seal.<br />Bearings: Front Hub - Sealed Bearings*2 ; Rear-Hub - Sealed Bearings*4.<br />Front hub for 9x100mm / 15x100mm; Rear hub for 10x135mm / 12x142mm.<br />Note: Quick release is not included.<br/>For XD:<br />Cassettes: CS-XG-1150-A1 / CS-XG-795-A1 / CS-XG-795-A1 / CS-XG-1195-A1 / CS-XG-1175-A1 / CS-XG-1295-A / CS-XG-1299-A1 / CS-XG-1199-A1 / CS-XG-1275-A1 / CS-XG-1295-A2 / CS-XG-1299-A2.<br/>For HG:<br />Suitable for Most MTB cassettes 7-10 speeds, M6000-M9000 11 speed cassettes, 12 speed cassettes CS-PG-1210-A1 / CS-PG-1230-A1. (When using a 7-speed cassette, a 4.5mm spacer is required.)<br/>For MS:<br />Suitable for CS-M9100-12 / CS-M8100-12 / CS-M7100-12.<br/>Specifications:<br />Material: Aluminum alloy<br />Color: Black / Red (optional)<br />Options: For HG / For MS / For XD (optional)<br />Weight: Front Hub: 190g / 6.7oz<br />Rear Hub: Approx. 280g-300g / 9.9oz-10.6oz<br/>Package List:<br />1 * Front Hub<br />1 * Rear Hub