Sunday Wavelength BMX Frame - 21" TT Cool Gray

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Product details

Management number	201675949	Release Date	2025/09/29	List Price	$205.00	Model Number	201675949
Category	Parts Frames E-Bike

Sunday Wavelength BMX Frame - 21" TT Cool Gray. Introducing Gary Youngs signature Wavelength frame. With a longer rear end and top-tube options this frame is designed for riders who love to go fast and want a more stable ride for trails and transitions.

100% 4130 chromoly frame

Removable U-brake hardware and Gyro tabs

Wave Down Tube: Down tube dents are common with the competitors frames and they significantly weaken the front end of your bike. The double-butted 1.45" diameter down-tube feature Sundays proven Wave shaping to fight denting against contact made from a rail ledge coping and whatever else happens to get thrown at it

Miter Cut Top Tube: A miter-cut top tube creates a precise joint with the seat stays during welding. This increases the strength substantially over frames that use a “sandwiched” top tube at this critical junction.

Tapered Chain & Seat Stays: Both chain and seat stays taper to provide a refined and clean look to the frame while still providing strength. They 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 position and to simplify wheel removal

TECH SPECS

Color	Cool Gray
Defined Color	Gray
Fork Type	Not Included
Frame Material	Steel
Mfg Size	21
Rear Axle	14mm Threaded x 110mm
TT (Effective)	21
Wheel Size	20"
Platform	Wavelength