Truvativ cranksets screws

Truvativ crank bolt: the essential component for a reliable and durable setup

In the world of cycling, every component matters. While the crankset often takes center stage, smaller parts like the crank bolt play an equally crucial role. Today, let’s take a closer look at the Truvativ crank bolt, a discreet yet essential fastener that ensures the strength and performance of your drivetrain.

What is a crank bolt ?

A crank bolt is a mechanical fastener that secures the crank arms to the bottom bracket spindle. Without it, there’s no reliable connection between the crankset components—whether you ride a mountain bike, road bike, or gravel bike. It absorbs pedaling forces, withstands vibrations, and contributes to the longevity of the drivetrain.

Why choose a Truvativ crank bolt ?

Truvativ, a well-known brand in the cycling industry, offers rugged and reliable components for demanding riders. The brand’s crank bolts are specifically designed to fit Truvativ cranksets, whether used for enduro, trail, cross-country, or road cycling.

Key features:

• Perfect compatibility: Truvativ crank bolts are engineered to fit their own cranksets precisely, ensuring a snug fit without any play.

• Standard or specific threading: depending on the model (ISIS, GXP, Howitzer), bolts may feature M12 or M15 threads with lengths tailored to each spindle design.

• Durable materials: most bolts are made of hardened steel, providing high resistance to torsion and corrosion.

• Allen or Torx head: enables optimal torque tightening with secure tool engagement.

• Includes washer or retention plate (on some models), depending on the crankset type.

Different types of Truvativ crank bolts

Truvativ offers several crankset standards, each with its own specific bolt:

• Truvativ GXP crank bolt: designed for 24 mm spindle systems, commonly using M15 or M12 bolts depending on the generation.

• ISIS Drive crank bolt: for older systems still found on some mountain or touring bikes.

• Howitzer crank bolt: built for downhill and freeride setups, where strength and durability are paramount.

It’s important to correctly identify your crankset model before ordering a replacement bolt.

When should you replace a crank bolt ?

The Truvativ crank bolt may seem like a minor component, but a worn head, stripped thread, or damaged bolt can compromise your entire drivetrain. Frequent removal—for cleaning or bottom bracket maintenance—can also wear out the original bolt. We recommend:

• Replacing any worn or deformed bolts,

• Regularly checking torque, especially after installation or a crash,

• Using the appropriate grease to prevent seizing or corrosion.

Where to buy Truvativ crank bolts

Genuine or compatible Truvativ crank bolts are available from most bike parts retailers, both online and in physical stores. To ensure long-term reliability, always opt for OEM or certified aftermarket options. Some stores also offer complete fixing kits that include bolts, washers, and crank caps.

Conclusion

Small but essential, the Truvativ crank bolt ensures the connection between your crank arms and bottom bracket spindle. Choosing the right bolt—sized and threaded for your crankset—is key to smooth, noise-free pedaling and long-term drivetrain performance. Whether you're a hardcore mountain biker or a meticulous commuter, don’t overlook this crucial piece of your bike’s transmission system.