The Luxe 50.4 BCD is 8 to 10 speed chain compatible and features 7075 aluminum 46/30T 50.4 BCD rings with pins and ramps. Finish is polished front and back with no brand markings. It has aluminum self-extractor dust cap / crank bolts
Weight without BB or bolts is 548 grams
Available in 165mm, 170mm, and 175mm arm lengths with 46/30T 50.4 BCD TA Pro 5 vis/Stronglight 49 compatible rings
The Q-factor with a recommend 118-121 mm JIS square taper bottom bracket is a very low at under 155 mm. Narrow cage front derailleur is recommended - will not work with modern triple ring front derailleur with wide cages.