40-Series Ext Cup Set Black 1-1/8"-34mm Head-Tube EC34/28.6|EC34/30 Traction making it a safe

making it a safe

Bottom Bracket & Brake - 68mm threaded bottom bracket and flat mount disc brakes

Fabric Content: MAIN: 50% Cotton

Slightly longer sleeves provide extra protection from the sun

Aftermarket Turbo Connect Display compatibility

40-Series Ext Cup Set Black 1-1/8"-34mm Head-Tube EC34/28.6|EC34/30 Traction making it a safe40 Series Represents the Perfect Balance of Performance, Durability and Value Internally Contoured 6061 T6 Aluminum Cups and Cover Innovative Clip Seal Seals the Top Assembly and Captures the Compression Ring Interlok Spacer Compatible Sealed Black Oxide Steel Cartridge Bearing Consistent Stack Heights Across 10, 40 and 110 Series Internal Parts Are Cross Compatible Across 10, 40 and 110 Series