BWW Pure D400 Freehub Body


BWW Pure D400 Freehub options


This is the replacement freehub body for the Pure D400 hub. It is a 3 pawl Alloy freehub designed for Shimano/SRAM 8/9/10 speed cassettes.  New freehubs have 4 pawls.

BWW Pure D400 Freehub Body Specs

FH Model BWW Pure D400
Material Aluminum alloy, with stainless steel pawls
Finish Black anodized
Diameter 34mm
Pawl Count Orig 3×2, Current = 4×2
POE 24
Effective POE 24
Degrees of Engagement 15 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 N/A
Freehub Sram XD Sram XD 1×11 + 1×12
Freehub Sram XDR N/A
Notes Inner engagement ring and pawls on new freehubs all seem solid.


Additional information

Weight 7 lbs
Dimensions 30 × 7 × 26 in


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