![(Discontinued) Strummer 1SI3181530 Semi-Integrated Headset](http://strummerbikes.com/cdn/shop/products/STRUMMER1SI3181530HEADSETDISASSEMBLED.jpg?v=1614567822&width=1080)
(Discontinued) Strummer 1SI3181530 Semi-Integrated Headset
Regular PriceRp 0
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Product Discontinued
Replacement for Polygon Trid CR Frameset.
3XX Series Strummer Headset.
Specifications
ACB Bearing
Bearing Size: 41+51.9
Fork Steerer: 1-1/8+1-1/2
Headtube Inner / Outer Diameter: 44/50 or 55/61
Cap: Alloy
Cup: Alloy
Crown Race: Alloy
Stack Height: 12.9 mm
ZS44/28.6 │ ZS55/30