SCOTT SPARK - Headset Options; Tapered Headset and Fork Steerer System; Straight 11;8 Headset and Fork Steerer System; Bottom Bracket (BB) on Spark

SPARK
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BIKE OWNERS MANUAL
ENGLISH
HEADSET OPTIONS BOTTOM BRACKET (BB) ON SPARK
Spark features different versions of headset systems.
1. A tapered headset and fork steerer system to match with semi-integrated headsets
of the “50-61”mm range with ID of Headtube of 44.0mm on top and 54.9mm on the
lower end.
All carbon front frames of Spark have a BB shell for BB92PF standard.
This matches to several bearing and crankset models of Shimano, SRAM, FSA and
others.
All alloy front frames of Spark have a BB shell for 73mm BSA standard.
It is also possible to use forks with a standard 1 1/8” steerer tube when using a reducer
headset such as e.g.
2. A straight 1 1/8” headset and fork steerer system to match with semi-integrated
headsets with an ID on the headtube of 44.0mm on top and lower end
This is a standard part in the market and should be available from several parts
manufacturers.
Ritchey WCS Carbon Zero Tapered PF 50-61mm 18mm UD PRD 13636
Ritchey PRO Tapered PF 50-61mm 12.9mm PRD 13640
Ritchey WCS Carbon Zero Tapered PF 50-61mm 18mm UD for 1 1/18 fork