Stage21 Lefty SL to Lefty 2.0 SuperMax Hub Spacer Kit CNC Aluminum

Technology moves fast, and compatibility doesn’t always keep up. The Stage21 Lefty SL to Lefty 2.0 / SuperMax Hub Spacer Kit was developed to solve a common upgrade issue when pairing pre-2016 Lefty SL or Lefty 50 hubs with newer Lefty 2.0 or Lefty SuperMax forks. When brake adapters are unavailable or incompatible, this spacer kit provides a precise, reliable solution.

Key Features

• Converts older Lefty SL / Lefty 50 hubs to fit Lefty 2.0 and SuperMax forks

• Precision CNC-machined to exact specifications

• Manufactured by an ISO 9001–certified government contractor

• Machined from 6061-T6 aluminum

• Rear fillets added for increased strength

• Hard anodized for durability

• Laser etched for clear identification

• Includes required longer rotor bolts

Specifications

• Material: 6061-T6 aluminum

• Manufacturing Method: CNC machined

• Finish: Hard anodized

• Identification: Laser etched

• Application: Front hub spacing / brake alignment

• Adapter comes brushed aluminum. NOT Black. When installed, adapter is not noticable. 

Compatibility

• Hubs: Cannondale Lefty SL and Lefty 50 (pre-2016)

• Forks: Cannondale Lefty 2.0 and Lefty SuperMax

Designed specifically for situations where traditional brake adapters are unavailable or incompatible.

In the Box

• Stage21 Lefty hub spacer

• Required longer rotor bolts

Why It Matters

Upgrading your fork shouldn’t mean replacing perfectly good wheels. This spacer kit allows riders to continue using older Lefty SL and Lefty 50 hubs with modern Lefty forks, preserving compatibility while maintaining proper brake alignment and structural integrity.