Elevn Disc Kit 120mm Rotor – Chase Act 1.2 and 1.0

Product Overview

The Elevn Disc Kit is a complete mechanical disc brake mounting system engineered exclusively for Chase Act 1.2 and 1.0 frames. This kit provides all necessary hardware to convert a frame's rear brake mount from rim or cable-actuated braking to a 120mm ISO disc rotor setup on 20mm rear axles. It includes the rotor, adaptor, chain tensioner, hardware, and cosmetic covers for a finished installation.

Key Features

• Frame-specific design – CNC-machined adaptor and chain tensioner are precision-fit for Chase Act geometry; ensures proper alignment and clearance without modification or shimming
• Complete hardware package – Includes 120mm rotor, mounting bolts, washers, security pins, and all fasteners needed for installation; eliminates separate parts sourcing
• Dual-sided component design – Chain tensioner on opposite side of disc adaptor maintains proper rear wheel alignment and chainline geometry
• ISO 6-bolt rotor mount – Standard 120mm rotor interface compatible with mechanical and hydraulic brake calipers (calipers sold separately)
• Cosmetic brake covers – Two included covers conceal standard brake mount points for a cleaner aesthetic
• Rotor spacers included – Two spacers accommodate different Center Lock hub designs; use as needed depending on your specific hub type
• Center Lock compatibility – Works with Center Lock hubs when used with appropriate Center Lock adaptor

Technical Specifications

• Rotor diameter: 120mm ISO 6-bolt
• Rotor weight: 87g (without bolts)
• Rear axle compatibility: 20mm (thru-axle or standard dropout)
• Frame compatibility: Chase Act 1.0 and Chase Act 1.2 only
• Adaptor material: Full CNC-machined aluminum alloy
• Rotor finish: Silver anodized with air vents
• Included fasteners: 6 disc rotor bolts, washers, security pins
• Hub compatibility: Center Lock hubs (with Center Lock adaptor); standard ISO 6-bolt hubs
• Weight: Rotor 87g + adaptor and hardware ~180–200g estimated

Compatibility and Ideal Use Cases

• Frame requirement: Chase Act 1.0 or Chase Act 1.2 frames exclusively; will not fit other frame models
• Rear axle: 20mm thru-axle or standard 20mm dropout
• Brake caliper: Requires separate mechanical or hydraulic disc brake caliper (not included); must be ISO-mount compatible
• Hub type: Center Lock hubs (with adaptor) or standard ISO 6-bolt hubs
• Best for: Chase Act frame owners upgrading to disc braking, lightweight builds prioritizing maneuverability, and riders on flat to moderate terrain
• Installation: Requires basic mechanical skill; alignment critical—follow frame manufacturer torque specifications for all fasteners
• Note: Brake caliper, brake lines/cables, and brake lever sold separately; confirm your brake system compatibility before purchase