Sunday Discovery Frame

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The Sunday Discovery Frame is built from 100% Chromoly with Nightshift Style Double top and down tube for extra strength. Sunday uses tapered chan stays and seat stays as well to keep everything strong yet light.

  • 100% 4130 Chromoly Frame

  • Nightshiftstyle, double-butted, top and down tubes with proven internal gusseting.

  • Removable U-brake hardware and Gyro tabs

  • Integrated seat clamp

  • Butted Seat Tube & Miter Cut Top Tube:
    The seat tube is where all three triangles of the frame meet and it is crucial to keep this tube strong.

  • Tapered Chain & Seat Stays:
    Both chain and seat stays taper to provide a refined and clean look to the frame while still providing strength. The are both angled on the inside for improved chain clearance and weight savings.

  • Hollow Dropouts with Chain Tensioners:
    Hollow 8mm wide dropouts are as light as a solid 5mm dropout, but over twice as strong. There is a small internal chain tensioner to hold the wheel in place as well as simplify wheel removal.

  • Top Tube Lengths: 20.75" or 21"

  • Head Tube Angle: 75

  • Seat Tube Angle: 71

  • Chain Stay Length: 13.25-13.5”

  • Bottom Bracket Height: 11.8”

  • Standover: 9”

  • Tire Clearance: 2.4”

  • Head Tube Length: 5”

  • Weight: 5 lbs