Jet BMX Block BMX Bike

Regular price $377.00 $332.00 In Stock

Jet BMX Block BMX Bike

Rated 4.6 out of 5 stars
41 Reviews
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Regular price $377.00 $332.00 In Stock
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  • This Jet BMX Bike is the most affordable full size 20" BMX we currently offer, and with everything it has on it it's a perfect entry level bike.

    It's packed full of features like the Hi-ten 20.25" top tube frame, 8" high steel bars, 3-piece forged cranks with sealed mid BB, 9t sealed cassette hub, padded seat and post combo and so much more.

    It's unheard of to get 3-piece cranks, sealed hubs and bearings at this price point - all of these things mean the bike is lighter, stronger and harder wearing than parts normally found at this price.

  • Seen this cheaper elsewhere? We price match any legitimate competitor! For a price match to be accepted, the item has to be identical and be in stock and available for purchase at our competitor. We will notify you by email of the decision when reviewed within 24hours but usually much sooner

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    • Free Shipping to Most EU Regions over €99.99

Product Specs
  1. FRAME MATERIAL: Hi Ten Steel
  2. WHEEL SIZE: 20"
  3. TOP TUBE LENGTH: 20.25"
  7. FORKS: Hi-Ten Steel
  8. BARS: 8" Hi Ten Steel
  9. STEM: Alloy Top Load
  10. HEADSET: 1 1/8 Aheadset
  11. BRAKE MOUNTS: Welded U-Brake
  12. BRAKES: U-Brake
  13. FRONT HUB: Looseball
  14. FRONT RIM: Single Wall Alloy
  15. REAR HUB: 14mm Sealed 9t Cassette Hub
  16. REAR RIM: Single Wall Alloy
  17. TYRES: Innova Street 2.25"
  18. SPROCKET: 25t Steel
  19. CRANKS: 3-piece Chromoly 170mm
  20. BB: Sealed Mid
  21. PEDALS: Platform Plastic
  22. SEAT: Padded Combo
  23. GEARING: 25/9
  24. WEIGHT: 25.4lbs

Product Highlights
  • Full size Bike with a shorter Top Tube and geometry to suit riders who are 4ft - 5ft 4"/120cm -160cm
  • A great all rounder suitable for any type of riding
  • Sealed rear hub
  • Popular first BMX bike
  • Strong and durable crankset

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We have compiled a complete BMX buyers guide to help you through the process! Keep reading to find out more about your perfect BMX bike. Here at SourceBMX we are all riders, so we can offer advice that only 100% rider-owned BMX shops can - just ask.

Click here to view all BMX Bikes


BMX bikes are measured in two ways: the size of the wheel (20” is the standard BMX wheel size), and the length of the frame which is gauged by the top tube measurement. We have also simplified for you into XS, Small, Medium, etc.

Here is a guide to what size you should be looking for - note that there is some overlap in sizes, as personal preference also comes into the equation!
Rider Height (in) Rider Height (cm ) Wheel Size (in)  Top Tube Length (in) 
2FT - 3FT 60 - 90cm 12" 11.5" - 13"
2'8" - 3'4" 80 - 100 cm 14" 2.8" - 15"
3FT - 3'8" 90 - 110cm 16" 14.5" - 17"
3'6" - 4'6" 105 - 135cm 18" 17" - 18.5"
4'6" - 5'1"
135 - 155cm 20" 18" - 20"
4'10" - 5'4" 147 - 162cm 20" 20" - 20.25"
(XS - S)
5'2"- 5'8" 157 - 173cm 20" 20" - 20.5"
(S - M)
5'6" - 6FT 165 - 185cm 20" 20.25" - 21"
(M - L)
6FT + 180cm + 20" 20.75" +
(L - XL)

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100%would recommend this product
Rated 4.6 out of 5 stars
Based on 41 reviews
Total 5 star reviews: 25 Total 4 star reviews: 16 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
41 reviews
  • Domas v.
    Verified Buyer
    I recommend this product
    Riding Style Park
    Riding Experience Expert
    Bought For Myself
    Rated 5 out of 5 stars
    2 weeks ago

    Its very good and cheap

  • Natalya R.
    Verified Buyer
    I recommend this product
    Riding Experience Intermediate
    Riding Style Park, Street, Trail
    Bought For Someone Else
    Rated 5 out of 5 stars
    1 week ago

    Great bike. My boy wanted one for a while. I finally got him one. Looks great and he loves it.

  • alexander p.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    buona qualità

    fantastica bici per iniziare

  • Darlene P.
    Verified Buyer
    I recommend this product
    Riding Experience Expert
    Riding Style Race
    Bought For Someone Else
    Rated 4 out of 5 stars
    4 weeks ago
    Solid construction

    Well, built by solid construction did receive it scratched up a little which my grandson was not happy about and we’re also having some problems with the brakes. They’re just not staying tight. We’ve had to adjust them multiple times so we’re still trying it out. Will follow up and see if it gets better or may have to return it.

    SB Profile picture for Source BMX
    Source BMX
    3 weeks ago

    Thank you for your review, Darlene. We're sorry to hear you're experiencing issues with the brakes and the bike arrived with a scratch - Far from ideal!

    A member of our customer service team will be reaching out shortly to gather more details and offer assistance with this matter.

  • Misty
    I recommend this product
    Rated 4 out of 5 stars
    4 months ago
    Great beginners bmx

    Very easy set up and flow , great breaks and quite comfortable handling

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