Drum brake hub XL-SD by Sturmey Archer in various designs.
The XL-SD from Sturmey Archer impresses with a higher braking power to the X-SD.
The silver version corresponds to the original XL-SD.
All other versions have been refined from the XL-SD.
XL-SD : aluminium bright
Weigth: 525 gr.
"Flat": aluminum bright, outer flange turned for carbon caps,
with aluminum distance between the bearings
Weight: 480 gr.
"Black": original XL-SD, black anodized
Weigth: 525 gr.
"Highend": black anodized, outer flange turned, cooling fins turned,
aluminum distance between the bearings
Weight: 475 gr.
Technical details:
Number of holes: 28, 32 and 36
Color: plain or black anodized aluminum
1 piece
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