Description
Replacement freehub body options for the Speed Tuned ST300 hub. Replacement freehub bodies come with new bearings installed.
*Rear hub shell logo states “Speed Tuned ST300″ or “Speed Tuned ST300 BST”
Tools required to replace the Freehub:
(1) 5mm Hex/Allen Wrench & (1) 12mm Hex/Allen Wrench
Steps:
1) Pull Non-Drive Side (NDS) end caps off (friction)
2) Insert 12mm hex wrench on NDS
3) Insert 5mm hex wrench on Drive Side (DS)
4) Loosen (opposite loosen to the right)
5) Pull off freehub
6) Inspect and clean area (as needed for dirt, dust, etc.), and replace axle spacer
The Shimano MicroSpline freehub is only compatible with 12TA axles (Boost and 12x142TA). It is Not compatible with QR end caps.
ST300 Freehub Body Specs
FH Model | ST300 and ST300 BST (Boost) | ||
Material | Steel alloy, with stainless steel pawls | ||
Finish | Black anodized | ||
Diameter | 30mm | ||
Weight | HG ≈ 96g, XD ≈ 90g, MS ≈ 104g | ||
Pawl Count | 3×2 | ||
Pawl Height | 8mm | ||
POE | 21 | ||
Effective POE | 21 | ||
Degrees of Engagement | 17.1428571 degrees (lower is better) | ||
FH Bearing Size (outside/Inside) | 6902LBLU/6902LBLU (HG + XD) | ||
Freehub HG | Shimano HG/Sram “Splined” MTB 8/9/10/11 Speed + Shimano/SRAM Road 8/9/10 speed | ||
Freehub Road 11 | N/A | ||
Freehub MicroSpline | Shimano MTB 12 speed (12TA axles only) | ||
Freehub Sram XD | Sram XD 1×11 + 1×12 | ||
Freehub Sram XDR | N/A | ||
Notes | TBA |
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