The Sunday Nightshift Frame is the brand’s flagship street frame, built for the most demanding riders who need maximum strength and reliability. Made from 100% 4130 chromoly with Sunday’s proven Lifetime Warranty, it features top-tier construction details like double-butted tubing, hollow dropouts, and an integrated seat clamp. Designed for progressive street riding, it combines durability with responsive geometry.
The Sunday Nightshift Frame is the brand’s flagship street frame, built for the most demanding riders who need maximum strength and reliability. Made from 100% 4130 chromoly with Sunday’s proven Lifetime Warranty, it features top-tier construction details like double-butted tubing, hollow dropouts, and an integrated seat clamp. Designed for progressive street riding, it combines durability with responsive geometry.
Material: 100% 4130 chromoly
Tubing: Double-butted, with post-weld heat-treatment
Headtube: Integrated, heat-treated
Bottom Bracket: Mid BB, heat-treated
Dropouts: Hollow 8mm with built-in chain tensioners
Brake Mounts: Removable U-brake mounts
Seat Clamp: Integrated
Geometry: Street-specific with short chainstays and steep headtube
Sizes: Multiple top tube lengths available
Finish: Matt Army Green
