S&M 29" ATF Frame & Fork Kit

$899.95 Out of Stock

S&M 29" ATF Frame & Fork Kit

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$899.95 Out of Stock
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  • The 29" version of the legendary S&M ATF frame features a 100% 4130 chromoly frame with an integrated head tube, Mid bottom bracket shell, V-brake mounts and 3/8" dropouts. It comes with the S&M 29" ATF Pitchfork made from 4130 chromoly and features an integrated bearing race with 3/8" dropouts.

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Product Specs
  1. MATERIAL: 4130 Chromoly
  2. HEAD TUBE ANGLE: 69°
  3. SEAT TUBE ANGLE: 69°
  4. CHAIN STAY LENGTH: 17.75"
  5. BB HEIGHT: 12.25"
  6. WHEEL SIZE: 29"
  7. STANDOVER HEIGHT: 15.25"
  8. DROPOUT SIZE: 10mm
  9. HEADSET TYPE: Intergrated
  10. BB TYPE: Mid
  11. BRAKE MOUNTS: Welded
  12. GYRO TABS: None
  13. WEIGHT: 6.2lbs

Product Highlights
  • Longer Backend and Mellow Headtube Angle for stability
  • Great all round frame for all types of riding
  • High-quality Chromoly construction
  • Made in USA
  • Seatclamp not included

UNDERSTANDING FRAME GEOMETRY

BMX frame geometry can look daunting, but thanks to our handy guide below you will have it figured out in no time. Remember, we're all BMXers here so if you have any questions just ask.

Keep reading to find your perfect frame, or click below to watch the buyers guide video.

FRAME SIZE CHART

Frame sizing is very much a personal preference: some riders like them longer, others shorter. Here's a rough guide - if you have any questions remember we are here to help!

3ft - 3ft 8" - best suited to a 16" BMX bike
3ft 8" - 4ft - best suited an 18" BMX bike
4ft - 5ft - 18" to 20" top tube
5ft - 5ft 4" - 20" to 20.25" top tube
5ft 4" - 5ft 8" - 20.25" to 21" top tube
5ft 8" - 6ft - 21" to 21.25" top tube
6ft plus - 21" top tube or longer
Rider Height (in) Rider Height (cm) Top Tube Length
5' 152 20"
5'3" 160 20.5"
5'6" 167 20.75"
5'9" 175 21"
6' 182 21.25"
6'6" 200  21.5"

FRAME GEOMETRY

Frame geometry can take a bit of understanding - but here at SourceBMX we are here to help! The first thing to understand is that BMX frame sizing is best measured by the length of the top tube - shown here as TT. Keep reading on to understand how the angles change how your frame will feel!

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