Crust Heartbreaker Crankset
Best premium component for custom bicycle builds and reliable touring.
This crankset solves the clearance issues plaguing modern gravel and touring frames by using a high-offset design that pulls your chainline inward. It’s a smart, elegant fix that lets you run a shorter bottom bracket, resulting in a tighter, more efficient drivetrain that just works better.
$260.00
at
Crust Bikes
Who it's for
- Adventurous cyclists seeking reliable components for challenging rides.
- Custom bike builders and riders needing flexible drivetrain setups.
- Style-conscious riders valuing unique, aesthetically pleasing bicycle components.
Who should skip it
- Budget-minded cyclists looking for more affordable drivetrain solutions.
- Weight-conscious racers and performance riders prioritizing minimal bike mass.
- Impatient buyers expecting immediate availability from major online stores.
Performance breakdown
Chainstay Clearance
High offset design accommodates even the widest modern gravel frames.
Drivetrain Efficiency
Optimized chainline geometry significantly reduces friction and drivetrain wear.
Installation Simplicity
Included self-extractor caps make removal and maintenance remarkably straightforward.
Weight Optimization
Forged aluminum strikes a reliable balance between durability and rotational mass.
Aesthetic Integration
Slim profile delivers a timeless, clean look for custom builds.
Compatibility Range
JIS square taper interface offers broad compatibility with classic touring setups.
Key Specs
Material
Forged Aluminum
Crank Arm Length
170mm
Number of Chainrings
2
Chainring Teeth
42/26t
Outer Chainring BCD
110mm
Inner Chainring BCD
74mm
Bottom Bracket Interface Type
JIS Square Taper
Chainline
47.5mm
Q-Factor
155mm
Weight
702g
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