SG75 Crank Installation guide
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Traditional cup & cone sytle bottom bracket BB-SG75 Super Lap, with loose ball bearing and special polishing to the races on both spindle and ball cups.
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Chainring Fixing Bolt & Nut set for Messenger series
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CPB CAP BOLT
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Crank : SG75 144
(165, 167.5, 170, 172.5, 175)
Chainring : ZEN144
(1/2"x1/8" 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
B.B. : BB-SG75 SUPER LAP, BB-SG75 STANDARD, CBB-SG75 (sold separately)
Chainline : 42mm
The name ZEN comes from Japanese "禅". The use of ZEN meditation will reduce stress and increase the power of concentration through emptying the mind of thoughts, which gives you significant performance gain. We named it ZEN in the hope that it will help you to obtain results you desire.
As SG75 Series use a proprietary taper called "SG75 taper", SG75 crank should only be used on SG75 bottom bracket.
For more detailed information, please check ;
"Important Information on SG75 Taper"
*Please note that large chainrings may touch the chain stay.
For more information, please check ;
SUGINO 75 series Front Chainwheel Dimension