What headset does a Santa Cruz Tallboy use?
The headset fitment standard on a Santa Cruz Tallboy, and how to pick the right part.
This frame's fitment
| Frame | Santa Cruz Tallboy |
|---|---|
| Headset standard | ZS44 (zero stack, 44 mm) |
| Cup / bearing outside diameter | 44.0 mm cup outside diameter, 43.9 to 43.95 mm head-tube bore |
| Steerer diameter | 28.6 mm (1 1/8 in) |
The Santa Cruz Tallboy uses a ZS44 upper zero-stack headset, a 30.9 mm dropper seatpost and a 15x110 Boost front thru-axle, with a 12x148 Boost rear.
The Tallboy is 1x with no front derailleur. The bottom bracket is a 73 mm BSA threaded shell, covered on its own page.
The part to buy
Search Amazon for ZS44 for your Santa Cruz Tallboyaffiliate searchFind ZS44 for your Santa Cruz Tallboy on eBayaffiliate
Related fitment pages
ZS44zero stack, 44 mmBottom bracket for Santa Cruz Tallboysame frame, BB shellSeatpost diameter on a Santa Cruz Tallboysame frameZS44 on a Specialized Stumpjumper (2019 on carbon)same standard, another frame
SOURCES: White Industries, ZS44/EC44 headset · Park Tool, Standardized Headset Identification System (SHIS) · BikeRadar, Mountain bike axle standards: the complete guide