This is the top half only of a Cane Creek 40-Series headset: the integrated cup, bearing and short top cap, sold separately for building up or servicing a headset rather than as a complete set.

Compatibility & fit

S.H.I.S. (the Standardized Headset Identification System) is the code the whole headset industry uses for cup and crown race sizes, written upper | lower — this top assembly is IS42/28.6, the Italian-standard Integrated (IS) bore, sitting recessed inside a 42.00mm head tube with a 28.6mm (1-1/8in) stem clamp, in the short (9mm stack) cover height. IS42 is not interchangeable with the similar-looking IS41 bore — the 0.9mm difference matters, so check your frame's own head tube spec before ordering. If you're not sure which headset standard your frame uses, the Tune workshop can check and fit it.

Cane Creek's 40-Series (Forty) headsets carry a 1-year warranty to the original owner against defects in materials and workmanship. For warranty support, return the product to Tune Cycles and we'll manage the claim with Cane Creek's Australian distributor. This is in addition to your rights under the Australian Consumer Law, so keep your proof of purchase.
  • S.H.I.S. IS42/28.6 (Italian) top assembly, short cover: integrated cup, sealed cartridge bearing and top cap
  • Black-oxide sealed bearing for corrosion resistance
  • 9mm stack height (short cover)
  • 6061 aluminium cup, 34g
S.H.I.S. (upper)IS42/28.6 (Italian)
Top typeIntegrated (IS), short cover
Head tube inside diameter42.00mm
Stem clamp diameter28.6mm
Stack height9mm
Bearing typeBlack-oxide, sealed cartridge
Material6061 aluminium
Weight34g
SKU DTW-CKG-HST40IISS8K
Barcode # 840226095189
Brand Cane Creek
Shipping Weight 0.1000kg

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