Zulu Two Heir 儿童山地自行车 by Prevelo Bikes is a highly esteemed winner of the very prestigious 2022 A' Design Award 金奖 in 婴儿、儿童产品设计 Competition Category.

金婴儿产品· 2022

Zulu Two Heir 儿童山地自行车

by Prevelo Bikes

Client: Prevelo Bikes

A' Design Award 金奖 Winner in 婴儿产品 Category

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Verified Award Winner
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The Design

About Zulu Two Heir 儿童山地自行车

Zulu Two Heir 是一款专为在越野道上骑行的低龄儿童设计的16英寸硬尾山地自行车。较长的轴距与舒缓的车架几何,为仍在学习越野骑行的孩子提供了更高的容错性。较低的五通高度与较短的曲柄长度,让小骑手更贴近地面,同时保持良好的踩踏人体工学。车架采用6061铝合金打造,液压碟刹带来简单而强劲的制动力。气压前叉专为16英寸轮径开发,采用碳纤维与铝材以控制重量,并可针对体重较轻的骑手进行调校。

The Recognition

About the A' Design Award 金奖

Zulu Two Heir 儿童山地自行车是 A' Design Award 金奖得主，这是授予一流、绝妙而杰出设计的极为崇高的认可。金奖得主是极具创新、极富远见且璀璨夺目的创作，反映出其设计师的天才、智慧与才干。预计Zulu Two Heir 儿童山地自行车将成为一项备受赞誉、引领潮流、气势恢宏的发明，带来前所未有的价值。这件赢得 A' Design Award 金奖的设计是一个壮观而受人敬重的项目，极大地造福并拓展艺术、科学、设计和技术的边界。Zulu Two Heir 儿童山地自行车激起强烈的渴望，唤起激情，鼓励创造力，令我们着迷。

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: The Prevelo Zulu Two Heir is the first 16-inch hardtail mountain bike. It is a trail-capable bike for very young riders. The long wheelbase and slack geometry are forgiving to young riders who are still learning how to ride on trails. Making this bike required a new airfork designed to fit small wheels and capable of working with lightweight riders. The Heir 16 fork is the first airfork designed for 16-inch bicycles and features carbon fiber and aluminum construction.
Dimensions & Packaging: Wheel Size: 16" inches
Fork: 60mm travel airfork with HM Carbon Fiber and AL6061 lowers and AL7050 hard anodized 30mm diameter stanchions and adjustable rebound, lockout and compression
Brakes: Hydraulic disc
Frame Material: 6061 aluminum alloy
Wheel base: 790mm
Tags: bicycle, bikes, childrens bike, kids bike, mountain bike, kids mountain bike, 16-inch bike
Production Technology: The frame is made of 6061 alloy and incorporates a special low bottom bracket design and short crank lengths to create a bike that keeps the rider low to the ground while maintaining good pedaling ergonomics. The cranks are cold forged aluminum and custom made to our specification for length. The Heir 16 fork on the Zulu Two Heir uses aluminum alloy and carbon fiber construction to minimize weight. The fork utilizes an air spring that can be adjusted to accommodate lightweight riders and adjustable rebound dampening.
Design Challenge: Prior to the development of the Zulu Two Heir, there was no air fork available for this size wheel. We needed to develop a fork that would work with a 16-inch wheel. We also spent time researching how children ride on trails. There was little understanding of optimum geometry for bicycles for very young children on trails. We needed to research and observe children riding to understand the best geometry.
Research: Our objective was to create a bicycle that would make children most confident riding a bicycle on trails. Our primary form of research was watching children ride on trails, and soliciting input from parents that frequently rode trails with their children. In particular watching children ride trails, and experimenting with different geometries and components. We found that children rode more confidently with bikes that were lower, had strong easy to user brakes, and had forgiven geometry and suspension that helped correct for learning mistakes over technical terrain.
Inspiration: The design was inspired by watching children learning to ride on trails. We wanted to design a bike that would make children more confident riding on trails. In order to be confident on trails, children need a bike that is forgiving and stable, and has easy to use brakes, and a low center of gravity.
Project Duration: The project started in 2017 in California. Prototyping completed April 2018. First production bikes available to ship to kids in the United States in November 2018. Continued refinement through December 2021.
Operation Flow: This design makes it easier for children to ride on trails.
Patents: "Prevelo" and "Heir" are registered trademarks of Triunfo Sports LLC
Team Members: Jacob Rheuban
Image Credits: Photographer Kevin Wing