TSquared carbon fiber rims are the best of the best. Tried and true design, they are run by some of the world's best racers. 
Unbelievably light and super stiff.
New 3k carbon weave

406 25mm (20” x 1.6): 310 grams/10.9 ounces (ERD 350mm)
406 30mm (20” x 1.80): 335 grams/11.8 ounces (ERD 366mm)
 

Accepts all tires 406mm in diameter, not matter the width. 

BLACK- Gloss finish

MATTE/CARBON- Matte finish

MATTE BLACK- Matte finish

MATTE BLACK/PLATINUM - Matte finish / Silver decals

MATTE BLACK/RED - Matte finish / Red decals