28mm rim width optimized for 2.2-2.5´´ tires Patented BST low profile rim shape for easy tubeless inflation and a more reliable seal. 6061 aluminum with steel rim gasket and eyelets.Arch S2 rims have versatility as their virtue, performing well in a wide range of riding conditions and are the ideal rim for Trail, AM, Enduro and eBikes, when your rides include tough climbs and tough descents and You want the best tubeless system on the market, the Arch S2 is your rim.Stan´s patented Bead Socket technology means easier tubeless inflation and increased safety. The 6061 aluminum Arch S2 rims feature a reinforced spoke base and eyelet spoke holes for added strength, making it a very strong wheel. The 28mm width is extremely versatile, offering excellent cornering performance with 2.2-2.5´´ tyres.When you need a reliable wheelset that´s more than capable on both climbs and descents, the Arch S2 is for you.Specifications:- Rim weight: 520g (29´´)- Rim internal width: 28.0mm- Rim external width: 31.7mm Rim- depth: 18.1mm- Number of holes: 32- Material: Aluminum 6061- Brakes: Disc Only- ERD: 601mm Offset, 1.5mm (29´´)- ETRTO: 622x25.0 (29´´)