The world-famous chainwheel set used by Olympic and World Championship medalists. Combination of highest quality track racing crank Sugino75 and Super-rigid ZEN144 chainring.
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

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