Theory Conserve Cranks
Best durable crankset for BMX riders seeking a reliable, classic setup.
These chromoly three-piece cranks are a straightforward, reliable workhorse for any 20-inch BMX build. While the right-hand drive limitation and lack of included bearings require a bit more planning during assembly, the robust construction and variety of colorways make them a solid, no-nonsense choice for riders who value durability over complexity.
$63.99
In stock
at
FlatSociety
Who it's for
- Aggressive riders needing components that survive heavy impacts
- Performance cyclists seeking maximum efficiency from every pedal stroke
- Home mechanics wanting a hassle-free, modern installation process
Who should skip it
- Budget-conscious riders looking for mid-range pricing
- Weight-obsessed racers prioritizing the lightest possible setup
- Cyclists with frames requiring universal bottom bracket compatibility
Performance breakdown
Structural Durability
Chromoly steel construction offers reliable strength for aggressive street and park riding.
Installation Simplicity
Standard three-piece design makes assembly straightforward for most home mechanics.
Compatibility Range
Limited to right-hand drive setups, restricting options for left-side drive riders.
Aesthetic Variety
Extensive color palette allows for precise customization of your bike's look.
Spindle Robustness
The 19mm eight-spline spindle is adequate but lacks modern oversized stiffness.
Component Completeness
Missing bottom bracket bearings require an additional purchase before you can ride.
Key Specs
3 piece design
Chromoly arms
RH compatibility only
Comes with 19mm 8 Spline Spindle
Spindle length
138mm (fits 20" BMX bicycles)
Know before you buy
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