Product introduction
Today we will introduce a large ear iron flower drum. This is an innovative product designed specifically for performances, a popular flower drum style among cycling enthusiasts and extreme sports enthusiasts, favored for its high strength and unique design. Especially in the fields of small wheelers, mountain bikes, and table bikes, its "ears" refer to the flange part of the iron flower drum, which is wider than ordinary flower drums, hence the name "Big Ear Iron Flower Drum". This flower drum is made of high-quality S45C steel material. S45C steel material is widely used in the manufacturing of heavy machinery, various mechanical parts, molds, etc. It is a good raw material for manufacturing bicycle accessories such as large ear iron flower drums. If you are a bicycle performance enthusiast, then this product will be your best choice.
technical parameter
| Model | Axle | Axle material | P.C.D | Spoke Holes | Gauge | F.T.F | O.L.D |
| SF-HB20F | 3/8*26T | S45C | 112mm | 28H 36H 48H 68H | 12G 14G | 45mm | 100mm |
| SF-HB20R | 3/8*26T | S45C | 112mm | 28H 36H 48H 68H | 12G 14G | 43mm 46mm | 110mm 114mm |
corporate website:https://www.hubs-sf.com Business email:sales@shunfeng-china.com
Product Details

Product Features
Wide flange: The most obvious feature of the large ear iron flower drum is its wide flange. Compared to other types of flower drums, this wide design can highlight the performance charm among many contestants. Better visual impact for the audience.
Wear resistant: Large ear iron flower drums are usually made of high-quality iron materials, which have strong wear resistance and can be used for a long time without significant wear. This makes the bicycle more stable and reliable in use, improving the safety of riding.
Easy to maintain and replace: The structure of the large ear iron flower drum is relatively simple and easy to maintain and replace. When needed, riders can perform routine cleaning and lubrication themselves to ensure the normal operation of the large ear iron flower drum. When the iron drum wears out or malfunctions, it is also convenient to replace it with a new one to improve the performance of the bicycle.
Wide applicability: The large ear iron flower drum is suitable for various types of bicycles, including mountain bikes, road bikes, and city bikes. Whether on flat roads or rugged mountain terrain, the Big Ear Iron Flower Drum can showcase its unique style.
Application scenarios
Mountain cycling: Due to its unique large ear shape, it resembles a parallel and flowing leaf while cycling in the forest. This creates a unique pattern for cyclists when crossing dense mountain forests that sets them apart from other mountain bikes. It is a good choice for leisure cycling.
BMX Extreme Sports: The large ear design of the flower drum adds a special cool beauty to athletes' performances Perfectly focused on the visual experience of the audience.
Track cycling competition: The flange of the big ear iron flower drum is significantly larger compared to other types of flower drum flanges. When the bicycle is speeding on the track, it is easier for the audience to distinguish the rider's technical level. This special design is very suitable for the choice of track racing riders.
Maintenance suggestions
Regular lubrication: Regular maintenance of bicycles is one of the necessary tasks for frequently used bicycles. Dripping an appropriate amount of lubricating oil onto some parts is one of the simple and convenient methods of operation. Generally, it can be inspected and maintained once a year.
Check parts: Due to the uneven road surface during use, bicycles often experience bumps during riding, which makes it easy for parts to loosen during bumpy rides. We should check and maintain it every year during daily use.
Cleaning: Generally, rinse the entire vehicle with tap water, and use a soft bristled brush to remove stubborn substances. After rinsing, wipe off any water droplets with a dry towel and air dry any remaining moisture in a well ventilated area.
Consulting cooperation
corporate website:https://www.hubs-sf.com Business email:sales@shunfeng-china.com
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