Unleash peak performance with a crankset built for speed, precision and endurance. The UltraRacer R8 crankset features a 170 mm arm length and a 50-34T double chainring setup — tailor-made for riders who push the pace whether on climbs, flats or sprints. Crafted from hollow-forged alloy for minimal weight and maximum stiffness, it’s the upgrade you need if you’re serious about your ride.

Structured Product Sheet

Key Features

• 170 mm arm length: optimized for balanced power delivery and smooth cadence on road and racing bikes. Daraz+1

• 50-34T chainrings: wide ratio gear range gives strong climbing ability and fast top-end speed. Daraz

• Ultralight, hollow construction: designed to cut weight while maintaining stiffness for responsive power transfer. Facebook

• Compatible with integrated standards: made for integrated bottom brackets and modern road-bike frames.

• Suitable for 10/11/12-speed drivetrains and 110 BCD/130 BCD, depending on variant. Reddit+1

Why Choose Our UltraRacer R8 Crankset
Standard cranksets often compromise between weight, durability and gear range—but the UltraRacer R8 delivers across all three. With hollow arms, a wide gear spread and race-ready specs, this crankset out-performs generic models that feel sluggish or lack climb flexibility. If you’re upgrading your ride from casual to champion-mode, this is your crankset.

Perfect For (Occasions & Uses)

• Road cyclists aiming to improve speed, cadence and efficiency in club rides or competition.

• Riders tackling mixed terrains—steep climbs, rolling hills and fast flats—who need gear versatility.

• Bike builders upgrading frames with modern integrated cranksets and lightweight components.

• Enthusiasts who demand performance parts and want to reduce rotating weight for smoother rides.

How to Use / Care & Maintenance
Ensure compatibility with your bottom bracket (integrated or external), chainline and crank arm length. Install according to manufacturer torque specs; apply grease to spindle interface and bolts. Periodically check for chainring bolt tightness, inspect for any play in bearings, and keep the crank arms clean of grime and road debris. Use a bike stand or trusted mechanic for initial setup.

Discover the difference UltraRacer R8 brings to your ride—lightweight, powerful and built for tomorrow’s wins.