S-Works Tarmac SL5 Headset

Features

• 1-1/8″ Upper Bearing: 41.8mm OD x 30.5mm ID x 8mm Thick (45×45 degree)
• 49/52cm Frame Lower Bearing: 1-1/4″ – 47mm OD x 34mm ID x 7mm Thick (45×45 degree)
• 54/56cm Frame Lower Bearing: 1-3/8″ – 49mm OD x 37mm ID x 7mm Thick (45×45 degree)
• 58/61cm Frame Lower Bearing: 1.5″- 52mm OD x 40mm ID x 7mm Thick (45×45 degree)
• 48mm OD / 8mm tall carbon headset transition cover
• Split alloy compression ring
• 5mm carbon headset spacer (2 pcs.)
• Part no: S152500003