Subrosa Tiro 18 2021 BMX Bike

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  • Just because it’s a smaller size does not mean less durable. The Tiro 18” has ton of aftermarket products from Rant to help your little shredder improve their skills while handling BMX abuse. For 2021 Subrosa hacve introduced a lighter weight frame to make it even easier for smaller riders to control.

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Product Specs
  1. FRAME MATERIAL: 100% 1020 Hi-Ten
  2. WHEEL SIZE: 18"
  3. TOP TUBE LENGTH: 18.5"
  4. CHAIN STAY LENGTH: 12.2"
  5. HEADTUBE ANGLE: 75°
  6. SEAT TUBE ANGLE: 71°
  7. FORKS: Chromoly Steer Tube - 30mm Offset
  8. BARS: 100% 1020 Hi-Ten - 2pc 7.75"
  9. STEM: Rant Jolt Top Load
  10. HEADSET: Rant Bang Ur Integrated
  11. BRAKE MOUNTS: Welded
  12. BRAKES: Rant Spring Brakes V2
  13. FRONT HUB: 3/8" Loose Alloy
  14. FRONT RIM: Rant Squad 36H Alloy Single Wall
  15. REAR HUB: 14mm Semi-Sealed Cassette
  16. REAR RIM: Rant Squad 36H Alloy Single Wall
  17. TYRES: Rant Squad 18 x 2.30"
  18. SPROCKET: Subrosa Petal Steel
  19. CRANKS: Chromoly 8 Spline 3pc 155mm
  20. BB: Sealed Mid
  21. PEDALS: Rant Trill Plastic
  22. SEAT: Subrosa Mid 1pc Combo
  23. GEARING: 25/9
  24. WEIGHT: 11.22 kg (24.7 lbs)

Product Highlights
  • 18" Wheels are great for riders just a bit too small to manoeuvre a full size 20" Bike (approx 3ft 4 - 4ft 4 / 100cm-130cm)
  • Great for Riders who are just too small to handle a full size 20" BMX
  • Good quality aftermarket parts from Rant.
  • Semi sealed rear cassette hub.
  • Strong 3 Piece Chromoly Cranks.

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NEED SOME HELP CHOOSING A BMX BIKE?

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 below to watch our BMX Bike Buyers Guide video.


BMX BIKE SIZE GUIDE

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 which we have also simplified for you into XS, Small, Medium etc categories.

Below is a guide to what size you should be looking for. note there is some overlap in sizes as personal preference also comes into the equation.

IMPERIAL (FEET & INCHES)

METRIC (CM)


HELP ME CHOOSE A BMX BIKE

TAKE OUR SIMPLE QUIZ TO FIND YOUR PERFECT BMX

Testimonials

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Fantastic prices, great stock of parts and my order of some bmx parts came just as they said. Will absolutely use again.
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Excellent service. The item was great and arrived on time.