What thru-axle does a Santa Cruz Hightower use?
The axle fitment standard on a Santa Cruz Hightower, and how to pick the right part.
This frame's fitment
| Frame | Santa Cruz Hightower |
|---|---|
| Front thru-axle | 15x110 mm Boost front thru-axle (15 mm x 110 mm Boost, front) |
| Axle diameter | 15 mm axle |
| Thread pitch | commonly M15 x 1.5 |
SHELL commonly M15 x 1.5
SPINDLE see table
SPINDLE see table
The Santa Cruz Hightower uses a ZS44 upper zero-stack headset with a ZS56 lower, a 34.9 mm dropper seatpost, a 15x110 Boost front thru-axle and, on 1x builds, no front derailleur.
The rear is Boost 12x148; confirm your generation. The bottom bracket is a 73 mm BSA threaded shell, covered on its own page.
The part to buy
Search Amazon for 15x110 mm Boost front thru-axle for your Santa Cruz Hightoweraffiliate searchFind 15x110 mm Boost front thru-axle for your Santa Cruz Hightower on eBayaffiliate
Related fitment pages
15x110 mm Boost front thru-axle15 mm x 110 mm Boost, frontBottom bracket for Santa Cruz Hightowersame frame, BB shellHeadset on a Santa Cruz Hightowersame frame15x110 mm Boost front thru-axle on a Specialized Stumpjumper (2019 on carbon)same standard, another frame
SOURCES: BikeRadar, Mountain bike axle standards: the complete guide · Velopedia, Boost spacing · Park Tool, Standardized Headset Identification System (SHIS)