• 1-1/8” / 1-3/8” , 36°/ 45° ACB
• For tapered 45mm / 52mm OD head tube
• For 1-1/8” to 1-3/8” tapered fork
• Angular Contact Bearing (black seal)
• Stack Height 16.1mm
WEIGHT
• 65.4 grams
Various Disciplines
Orbit IS 138 Headset
121-0343
$39.00