Additional information Cups and Covers: 6061 T-6 Aluminum Internally relieved to reduce weight Covers: Tall and short aluminum and carbon covers offered on many IS and ZS models Crown Race: Durable steel crown races Bearings ----------------------Dependable zinc coated, sealed bearings Bearing: ZS56 will take a 52mm bearing ---------------All complete Cane Creek headset assemblies (top or bottom) will use a 36×45 degree contact angle bearing Interlok®: Interlok® spacer compatible Clip Seal: Innovative Clip-Seal completely seals the top assembly and captures the compression ring to reduce the number of loose parts Face Seal: High-quality, low friction face seals on the crown races Stack Heights: External Cup (EC) — 16mm top, 12mm bottom, ZeroStack (ZS) — 8mm or 15mm top, 4mm bottom, Integrated (IS) — 9mm or 15mm top, 1mm bottom Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER