S&M Rambler Nathan Halahan Frame

$549.95 In Stock

S&M Rambler Nathan Halahan Frame

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$549.95 In Stock
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  • Nathan Halahan is extremely talented when it comes to trails riding and sending it over huge piles of dirt.

    The Rambler is unquestionably ready to take on the trails with its full 4130 chromoly construction with butted and thermal-X tubing throughout making this thing bombproof. It features a slightly longer top tube so anyone riding it can boost with confidence.

    Nate's version of the Rambler comes with a 74.25° head tube and a slightly shorter rear-end length. All finished with a clean colourway, no stickers and just a debossed logo on the headtube.

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Product Specs
  1. MATERIAL: 100% Chromoly
  2. HEAD TUBE ANGLE: 74.25°
  4. CHAIN STAY LENGTH: 13.75" - 14.5"
  5. BB HEIGHT: 11.6"
  6. WHEEL SIZE: 20"
  8. DROPOUT SIZE: 14mm
  9. HEADSET TYPE: Integrated
  10. BB TYPE: Mid
  11. BRAKE MOUNTS: Welded
  12. GYRO TABS: None
  13. WEIGHT: 5.4lbs (2.4kg)

Product Highlights
  • Longer backend and mellow headtube angle for stability
  • Best suited for trails and riding fast
  • High-quality chromoly construction
  • Strong butted tubing
  • Longer top tube options give stability to the taller rider


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 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 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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