Stay Strong Optimum STR BMX Bike
Stay Strong Optimum STR BMX Bike
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Made predominantly for Street riding, the Optimium from Stay Strong features everything you need to hit the streets with confidence.
Firstly the Optimum is spec'd out with exclusively sealed bearings meaning that everything is solid, lightweight and requires minimal maintenance. This Model features a fully sealed 9t cassette and 2-piece bars making it perfect for street, park and anything else you can throw at it (if you want a pure street bike check out the Freecoaster Model).
The parts package is impressive and includes a sealed female axle front wheel, Sealed 3-piece cranks, a fat padded combo seat and post and wide 2.4" gum tires to mention just a few. The bike has a 20.75" top tube so would be a good fit for any rider between 5ft and 6ft and has a short rear end and steep head tube making it super-responsive especially when it comes to carving out 180's and threes etc.
Also worthy of a mention on this bike are the removable brakes/mounts and Cr-mo front end which isn't normally standard features you find on a bike at this price point and really helps this stand out from the competition.
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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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Product Specs
- FRAME MATERIAL: Chromoly Top tube & Down tube
- WHEEL SIZE: 20"
- TOP TUBE LENGTH: 20.75"
- CHAIN STAY LENGTH: 13.25"
- HEADTUBE ANGLE: 75°
- SEAT TUBE ANGLE: 71°
- FORKS: Chromoly Steerer Tube and Tapered Hi-Ten Legs
- BARS:
- MATERIAL: Hi-Ten
- TYPE: 2-Piece
- RISE: 9" Rise
- WIDTH: 29" Width - STEM: Alloy Top Load
- HEADSET: Integrated
- BRAKE MOUNTS: Removable
- BRAKES: U-Brake
- FRONT HUB: 10mm Sealed
- FRONT RIM: Single Wall
- REAR HUB: 14mm Sealed Cassette
- REAR RIM: Single Wall
- TYRES: 2.3"
- SPROCKET: 25t
- CRANKS:
- MATERIAL: Chromoly
- TYPE: 3-Piece
- ARM LENGTH: 170mm - BB: 19mm Mid
- PEDALS: Nylon/Fiberglass
- SEAT: Combo Seat/Post
- GEARING: 25/9
- WEIGHT: 24.69lbs (11.2kg)
Product Highlights
- Great for riders who are between 5ft and 6ft tall (150cm - 180cm)
- A great all rounder suitable for any type of riding
- Built strong and lightweight
- Strong and durable crankset
- Sealed bearings throughout
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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. 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) |
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| 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" (XS) |
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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