Fitting a quality set of tubeless rims is the smartest way to improve the handling of your XC or Gravel bike. The tubeless system offers greater comfort and control with less rolling resistance, nothing beats the ease of inflation and performance of Stans Notubes patented Bead Socket technology.A 25mm internal width that offers incredible stability for Gravel or XC tires from 40mm to 2.3´´.Constructed from 6061 aluminum with a reinforced spoke base and eyeleted spoke holes for added strength, the Crest S2 rim is built to last. An ideal replacement or upgrade for Gravel and XC bikes.Whether it´s hitting the local trails, entering your first XC race, or heading out on a gravel adventure, Crest S2 tires can improve handling and safety.Features:- 25mm rim width optimized for gravel and XC tires up to 2.3- Patented BST low profile rim shape for easy tubeless inflation and more reliable sealing.- 6061 aluminum with stainless steel gasket and eyelets.Specifications:- Rim Weight: 457g (29´´)- Rim Internal Width: 25.0mm- Rim External Width: 28.4mm Rim- Depth: 18.0mm- Number of Holes: 32- Material: 6061 Aluminum- Brakes: Disc only- ERD: 603 mm (29´´)- ETRTO: 622x25.0 (29´´)