Praxis CS MTB DH9 Downhill Crank Arms Only 165mm - Gravity Riding Durable Parts

The Praxis CS MTB DH9 Arms Only - 165 crank arms are engineered to meet the rigorous demands of gravity riders and long-travel mountain biking enthusiasts. Constructed from high-grade alloy with reinforced cross sections, these crank arms deliver exceptional strength and reliability essential for downhill and aggressive trail conditions. Their robust design ensures durability without compromising performance, making them a dependable choice for challenging terrains and intense rides.

Inspired by the renowned "Down Hiller Commute" along the San Lorenzo river, the DH9 Arms embody the spirit of gravity riding through a purposeful and resilient design. Featuring a direct mount 3-bolt interface, they facilitate fast and straightforward chainring swaps, enabling compatibility with any 3-bolt ring regardless of shape, size, or colour. This adaptability allows riders to optimise their drivetrain setup for varied trail conditions and racing requirements.

Designed for versatility, the DH9 Arms accommodate multiple bottom bracket standards, including threaded 83mm BSA and press-fit PF41 options, ensuring seamless integration with most downhill frames. Additionally, adjustable chainline options of 57mm or 60mm, achieved through offset rings, provide precise drivetrain alignment for smooth shifting and efficient power transfer during descents. Explore more from the Bikes category to complement your setup with compatible components.

Key Features & Benefits

• High-Strength Alloy Construction: Reinforced cross sections provide superior durability and reliability under extreme downhill riding conditions.
• Direct Mount 3-Bolt Interface: Enables quick and easy chainring changes, compatible with any 3-bolt ring for maximum customisation.
• Multi-Standard Bottom Bracket Compatibility: Supports threaded 83mm BSA and press-fit PF41 bottom brackets for versatile bike integration.
• Adjustable Chainline: Offers 57mm or 60mm chainline options via offset rings to optimise drivetrain alignment and shifting performance.

What It’s Good For

• Downhill and gravity riding requiring exceptional crank arm strength and durability.
• Riders seeking fast and flexible chainring swaps to adapt to different trail demands.
• Integration with a wide range of downhill frames through multi-standard bottom bracket compatibility.
• Fine-tuning drivetrain alignment for improved power transfer and smooth gear changes.

What It’s NOT Good For

• Cross-country or lightweight trail riding where minimising weight is a priority.
• Road cycling setups that require different crank arm specifications and designs.
• Bikes incompatible with 3-bolt direct mount chainrings.
• Casual riders not focused on the demands of aggressive downhill or gravity riding.

Frequently Asked Questions

Is this suitable for different rider sizes or preferences?
The DH9 Arms are designed to fit a broad range of downhill frames supporting bottom brackets such as threaded 83mm BSA and press-fit PF41 standards. Multiple chainline options and compatibility with any 3-bolt chainring size provide adaptability to various rider preferences and bike configurations.

What key accessories or add-ons complement this model?
To optimise your downhill setup, consider pairing these crank arms with high-quality pedals, protective helmets, and reliable lighting systems. Explore our collections for pedals, helmets, and lights to complete your riding gear.