ST280 Freehub Body


ST280 Freehub options


Replacement freehub body options for the ST280 and ST280 BST (Boost) hub. Replacement freehub bodies come with new bearings installed.

* Rear hub shell logo states “Speed Tuned ST280” or “Speed Tuned ST280 BST”

***The ST280 and ST280 BST hubs require a 12mm as stated in the video. For information on how to change Super 6 series end caps please view this video.

The Shimano MicroSpline freehub is only compatible with 12TA axles(Boost and 12x142TA).  In order to make your ST280 compatible with a QR axle, you’ll need to purchase a specific ST280 QR – MicroSpline end cap set.

ST280 Freehub Body Specs

FH Model ST280 and ST280 BST (Boost)
Material Aluminum alloy, with stainless steel pawls
Finish Black anodized
Diameter 41.75mm
Weight HG ≈ 88g,  XD ≈ 86g,  MS ≈ 93g
Pawl Count 3 x 3 Offset (6 total)
Pawl Height 8.55mm
POE 36
Effective POE 72
Degrees of Engagement 5 Degrees (lower is better)
FH Bearing Size (outside/Inside) MR17287LLB/6803LLB (HG),  6803LLB/6803LLB (XD)
Freehub HG Shimano HG/Sram “Splined” MTB 8/9/10/11 Speed + Shimano/SRAM Road 8/9/10 speed
Freehub Road 11 Shimano/SRAM Road 11 speed
Freehub MicroSpline Shimano MTB 12 speed
Freehub Sram XD Sram XD 1×11 + 1×12
Freehub Sram XDR Sram XDR 1×12
Notes Pawls and POE are extremely overbuilt for E-bikes


Additional information

Weight 7 lbs
Dimensions 30 × 7 × 26 in


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