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Load image into Gallery viewer, Box Components Box One RR Box 20in Focus RR Black 36

SKU: RIMS1109

Box Components Focus RR 20-inch Double-Wall Rim - Lightweight, Reinforced Spoke Eyelets, 36H Drilled, Tubeless-Ready Bike Wheel for Road, Cyclocross & Commuting

Regular price $69.15
$59.99 Sale price $69.15 Regular price
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Description
Specifications

Upgrade your cycling setup with the premium Box Components Box One RR 20-inch Rear Wheel in black, designed specifically for road and track cyclists who demand lightweight performance and durability. This high-performance rim combines innovative engineering, top-tier materials, and a sleek style suitable for serious riders seeking reliability and speed.

Materials & Construction

Constructed from high-quality, lightweight aluminum, the Box One RR rim features a no-nonsense low-profile design that minimizes excess material while maintaining strength. Its double-wall construction ensures robustness, while single eyelets prevent spoke pull-through, enabling higher spoke tensions for increased wheel tension and stability.

Performance & Engineering

Engineered for optimal weight savings, the lightweight design-among the lightest in its class-enhances acceleration and handling. The rim's precise 20-inch size with a 28mm outer diameter and 22mm internal width offers excellent support for tubeless or tube tires, with a specific focus on high-performance ride quality. The 36-hole drill pattern provides a perfect balance of strength and ease of spoke lacing, tailored for both front and rear wheel applications.

Components & Technology

Equipped with a dedicated front and rear design, the Box One RR Rims ensures perfect contour and compatibility for road cycling and track racing. With an ERD of 394mm and a profile height of 14.25mm, these rims deliver a smooth, aerodynamic profile to enhance speed and reduce drag. The eyeletted construction adds to the durability and ease of maintenance, making this rim ideal for competitive and daily cycling.

Style & Use Case

Designed with a sleek black finish, the Box One RR is perfect for racers, cycling enthusiasts, and commuters seeking a lightweight, reliable Rims. Whether you're aiming for race-day performance or high-level training sessions, this rim provides the perfect blend of style and functionality for 20-inch road bikes, track bikes, or custom builds requiring a tubed setup.

Innovative Features

- Ultra-lightweight, low-profile design for enhanced acceleration

- Single eyelets prevent spoke pull-through at high tensions

- Front and rear specific profiles optimize wheel performance

- Eyeletted construction for increased durability and ease of spokes lacing

- Compatibility with 20-inch tube-only tires (406 ISO)

Upgrade your bike with the Box Components Box One RR 20-inch Rear Wheel-where advanced engineering meets lightweight durability for unbeatable cycling performance. Ideal for serious cyclists seeking a high-quality, low-weight rim that delivers reliability and speed on every ride.

  • Lightweight and durable 20-inch focus rim crafted from high-quality materials, designed to reduce weight without sacrificing strength for optimal riding efficiency.
  • Engineered with a no-nonsense low-profile profile, this double-wall rim features minimal material to enhance speed and agility while maintaining structural integrity.
  • Incorporates advanced eyeletted spoke holes to prevent pull-through and allow for higher spoke tensions, resulting in a more true and reliable wheel build suitable for rigorous rides.
  • Designed specifically for track and fixed gear cycling, this rim offers a sleek black finish and precise 36-hole drill pattern, ensuring a perfect fit for tube-only tires and enhanced performance.
  • Innovative front and rear specific designs optimize handling and ride quality, making the Box Components Box One RR ideal for competitive cycling or aggressive urban commuting.
Size20in
Width OD28
SideNMSW
Drill36
ERD394
WallDbl
ValveSV
ExtrasEyeletted
ModelFocus RR
Profile14.25
Tire CompatibilityTube Only
ISO406
Width ID22
BrandBox
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Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

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Ben Berman Founder & CEO of 365 Cycles


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