Sunrace 3-ring crankset

Sunrace 28/38/48 triple chainring crankset: a versatile drivetrain for every terrain

When it comes to optimizing your bike’s drivetrain, choosing the right crankset is key. The Sunrace triple chainring crankset, featuring 28, 38, and 48-tooth chainrings, is a reliable and versatile solution for cyclists looking for a wide gear range. Whether you're riding long distances, commuting daily, or tackling rolling hills, this triple crankset offers the flexibility you need to match your pedaling effort to the terrain.

Why choose a triple crankset ?

A triple crankset remains a solid option for cyclists who need a bike drivetrain that can handle varied elevation profiles. Compared to compact or double setups, triple cranksets provide a broader gear range with more gradual jumps between gears. This results in smoother shifting, better cadence control, and a more even wear of the chain, chainrings, and cassette.

Technical specifications of the Sunrace 28/38/48 crankset

The Sunrace triple crankset with 28, 38, and 48 teeth is designed with durability and performance in mind. Here are its key features:

• Materials: aluminum crank arms and steel chainrings, balancing strength and weight.

• Chainring sizes: 28T for climbing, 38T for flat terrain, and 48T for downhill or high-speed cruising.

• Crank arm length: usually available in 170 mm or 175 mm to suit different rider builds.

• Mounting: 4-arm design with 104/64 mm BCD, compatible with most square taper bottom brackets (JIS).

• Chainguard: often comes with an integrated guard to protect the chain and improve safety.

• Weight: around 950 grams — ideal for trekking, hybrid, or touring bikes.

Smooth shifting and maximum adaptability

With its smart gear distribution, this triple crankset enables smooth and efficient shifting across a wide range of gears. When paired with a compatible front derailleur and a 7- to 9-speed cassette, it delivers consistent and precise gear changes.

The 28T chainring is perfect for steep climbs or heavy loads, such as trailers or panniers. The 38T ring is ideal for moderate efforts on rolling terrain, while the 48T ring offers optimal cadence and speed on flat roads.

Ideal use cases

The Sunrace triple crankset is a great match for:

• Hybrid bikes and touring bikes

• Trekking bikes used for long-distance travel

• City bikes with varied commuting routes

• Entry- to mid-range bicycles needing a complete and reliable drivetrain upgrade

In summary

The Sunrace 28/38/48 triple chainring crankset is a go-to component for riders seeking comfort, versatility, and performance. It fits perfectly into a bike drivetrain system designed for flexibility, providing a wide gear range to tackle any terrain with ease. Durable, low-maintenance, and compatible with a variety of setups, this crankset is an excellent choice for upgrading or building a bike without compromise.