Steel Seat Collar, 1-1/4" OD x 91 mm OAL x 27.2 mm ID x 15 mm Step, Relieved ID: MS2068

Product Details

• Application:
  • For 1-1/4" OD x any wall thickness seat tube
  • Step must be finished to size: .05 mm press fit in seat tube
  • Minimum seat post insertion is 91 mm
  • Seat post must go past the relief to avoid excess loads on the collar
• Material: 4130 steel
• OD: 1.250" OD
• ID: 27.2 mm (+0.00/-0.05 mm)
  
  • Relieved ID reduces weight and provides space for weld penetration so that the finish reamer does not have to remove weld material
• Overall Length: 91 mm
• OD Step: 15 mm long x 30.8 mm diameter
• Step Length: 15 mm
• Notes: Thank you to Sean Walling of Soulcraft Cycles and Robert Ives of Blue Collar Bikes for their inspiration and feedback on this product

Item sold individually.