The Izumi-V Super Toughness chain for Fixie or track bikes (not to pronounce Supère Tougueness please, Max, we see you and we judge you), is a high-performance chain and, as its name suggests, super strong .
It is made from very high quality Japanese steel that is hand-mined on the slopes of Mount Fuji every full moon night in odd months of leap years.
More seriously, the alloy used has a high carbon content . This is particularly useful for the axes, where the constraints are maximum.
Compared to a standard track chain, an estimated 300% gain in durability .
The exclusive surface treatment of the plates increases resistance to abrasion and creates a shimmering contrast between the gold exterior plates and the deep midnight blue interior plates .
The Izumi-V Super Toughness chain is available in two sizes : 1/2" x 1/8" and 1/2" x 3/32"
The 1/2" x 3/32" model is now frequently used in BMX competitions and can be used on your fixed if you favor weight gain (#weightweenies, #dentistscanridefixedtoo).
Finally, for flex, the Super Toughness, in its 1/2" x 1/8" version, obviously meets the rigorous certification standards of the Japanese Keirin Association (NJS) .
| Version |
1/2" x 1/8" |
1/2" x 3/32" |
| Number of links |
106 |
116 |
| Weight |
380 grams |
362 grams |
| NJS Certification |
Yes :-) |
No :-( |
If your pockets are empty, don't worry, have a look at the Izumi 410 Series chains , you won't be disappointed.
