A group of different colored S&M ATF 20 Inch Frames on a white background.

An S&M ATF 20 Inch Frame on a white background.

An image of an S&M ATF 20 Inch Frame bike frame on a white background.

A silver bike frame with an S&M ATF 20 Inch Frame on a white background.

A blue S&M ATF 20 Inch Frame on a white background.

A bike frame with an S&M ATF 20 Inch Frame and a camouflage design.

A white S&M ATF 20 Inch Frame sitting on a white background.

The S&M ATF 20 Inch Frame, made from durable chromoly, stands out against a plain white background with its red color. It showcases responsive geometry and features branding on the front and side, emphasizing its All Terrain capabilities.

Close-up of the shiny red S&M ATF 20 Inch BMX frame, featuring a white emblem on the front tube and "Thermal" label on the side, highlighting its robust chromoly construction.

The S&M ATF 20 Inch Frame, crafted with chromoly construction and BMX geometry, is presented in a glossy red finish. It features logos and is displayed without wheels or other components, offering a sleek and modern look.

The S&M ATF 20 Inch Frame, with its chromoly construction and minimalist design, is showcased on a white background in an elegant red color.

Description

ATF = All Terrain Frame. and it truly is. Responsive geometry that works in the dirt, at the park or in the streets. The ATF is the foundation for many of our team rider signature frames, as well as a go-to for S&M employees. Easy to ride, easy on the eyes. A modern classic. 100% chromoly construction. Made in the USA.

Specifications
Top tube lengths - 20.5″, 20.75″, 21″, 21.25″,21.5″,22″
Rear end length - 13.4″-13.875″
Head tube angle - 75°
Head tube style - Integrated (45°/45°, 41.8mm)
Seat tube angle - 71°
Seat clamp - Integrated
Seat post size - 1″ (25.4mm)
BB height - 11.7″
BB style - Mid w/ez-out punch slots
Standover height - 8.5″
Brake mounts - Thread-on 990 (mounts sold separately)
Dropouts - 14mm slot, 4q-baked
Gyro tabs - none
Weight - 2.12 kg
Tubeset - Butted Thermal-X Tubing