Sunday Wavelength Gary Young Frame Description:
The Sunday Wavelength frame is Sunday Bikes legendary pro rider Gary Young’s signature model, built for riders who prefer speed, stability, and confidence on trails, bowls, and transitions. Designed with a longer rear end and multiple top tube sizes, the Wavelength delivers a smooth and planted feel without sacrificing responsiveness. Constructed from 100% 4130 chromoly, it features Sunday’s proven Wave down tube for improved dent resistance, a miter-cut top tube junction for added strength, tapered stays for better tire and chain clearance, and hollow dropouts with built-in chain tensioners to keep the rear wheel perfectly aligned.
Features:
- Gary Young Signature Geometry
- 100% 4130 chromoly frame
- Sunday wave down tube
- Miter cut top tube
- Tapered chain & seat stays
- Hollow 8mm dropouts with integrated chain tensioners
Specifications:
- Frame Material: 4130 Chromoly
- Headset Type: Integrated (Campy)
- Gyro Tabs: Drilled, included
- Brake Mounts: Included (replacements available here)
- Bottom Bracket Type: Mid
- Seatpost Size: 25.4mm
- Seat Clamp: Non-Integrated
- Dropouts: Hollow 8mm wide dropouts, 14mm
- Color: Matte Metallic Gold
- Weight: 5 lb 9 oz
Geometry:
- Toptube Lengths: 20.75” / 21” / 21.25”
- Chainstay Length: 13.65" - 14"
- Headtube Angle: 75°
- Seattube Angle: 71°
- Standover Height: 9"
- Bottom Bracket Height: 11.5"
Top your new frame off with fresh bearings. Find an integrated headset here.
Get a new bottom bracket kit here!
Confused by all that geometry? Check out our video below explaining BMX frame geometry and how it affects the feel of a bike.
This product was added to our catalog on May 7, 2026
