The definition of “road cycling” now includes gravel and dirt as well as pavement. At the same time, bikes are evolving to meet the fit requirements of smaller riders. Meeting these two distinct needs was the driving force behind the Zipp 303 Firecrest 650b Tubeless Disc-brake wheelset.

Features
Zipp Graphics and Cosmetic Identity That Scream Speed
Versatile 45mm Rim Profile for Increased Speed, Better Cornering, Control, and Comfort
Tubeless Design Provides Secure Performance When Ridden at Lower Tire Pressures
ZR1 DB Hubset Engineered in Germany with Improved Seal Design and Quicker Response with 66 Points of Engagement
Built with Sapim CX Sprint J-Bend Spokes
Center Locking Rotor Interface with Lockring Included
Ships with 12mm Front and Rear End Caps

Specifications
Size: 650b
Rim Construction: Carbon with Hooks
Tire Compatibility: Tube-Type or Tubeless Tires
Rim Depth: 45mm
Brake Compatibility: Center Lock Disc
Driver Body Type: SRAM XDR or Shimano HG-11 Road
Rim Inside Width: 21mm
Rim Finish: UD Fiber, Adhesive Decals
Rim Profile: Symmetrical

Mfr Claimed Weight
1520g