Description
Upgrade your bicycle with the Wheel Master SB-1001 Steel Bolt-On Rear Hub, engineered for durability, reliability, and high-performance riding. Designed specifically for 5 to 7-speed freewheel systems, this premium hub is your ideal choice for both recreational and commuter bikes, offering seamless integration and exceptional strength.
Materials & Construction:
Crafted from high-quality steel, the Wheel Master SB-1001 hubs boast robust construction that withstands daily riding stresses. The steel bolt-on design ensures a secure fit, making installation straightforward while maintaining maximum durability. The black finish not only provides a sleek, corrosion-resistant surface but also enhances aesthetic appeal for a modern, streamlined look.
Performance & Engineering:
Weighing approximately 80 grams, this lightweight hub is engineered for optimal performance without adding unnecessary weight to your wheelset. Featuring a loose ball bearing system, it offers smooth rotation, reduced friction, and increased longevity. The 135mm OLD (Over Locknut Dimension) combined with a 3/8x26t B/O-NUT axle provides compatibility with a range of bicycle frames, ensuring versatility across different bike models.
Components & Technology:
The hub utilizes a 175 bearing model with a 45mm Pitch Circle Diameter (PCD) on both sides, supporting 5-7 sprockets in the freewheel system. The flange spacing (CTF) of 21.5mm and a hub width of 32.5mm make this hub suitable for various wheel configurations. The bolt-on design facilitates easy maintenance and secure mounting, making it ideal for riders seeking a reliable, upgrade-ready hub.
Style & Use Case:
Perfect for mountain biking, hybrid bikes, and casual riding, the Wheel Master SB-1001 Steel Bolt-On Hub blends rugged function with an understated style. Its black finish complements any bicycle aesthetic, ensuring both performance and visual appeal. Whether you’re building a new wheelset or replacing a worn hub, this component delivers the strength needed for demanding terrains and everyday commuting.
Innovative Features:
– Steel bolt-on replacement hubs for enhanced security and durability
– Suitable for 5-7 speed freewheel systems, offering versatility for various gearing setups
– Smooth loose ball bearing system for reliable rotation and minimal maintenance
– Precise specifications ensuring compatibility with a wide range of bicycles
Upgrade your bike’s drivetrain with the Wheel Master SB-1001 Steel Bolt-On Rear Hub-where durability meets performance for confident cycling adventures.
- High-strength steel bolt-on design for durable and reliable use in various cycling applications.
- Precision-engineered for compatibility with 5-7 speed freewheels, ensuring smooth gear transitions and optimal performance.
- Manufactured with quality steel materials and loose ball bearings for enhanced durability, reduced maintenance, and longevity.
- Designed with a 36-hole configuration and a 135mm over-locknut dimension, ideal for road, commuting, and recreational bikes.
- Features innovative bolt-on technology with B/O-NUT 3/8x26t threading, providing a secure fit and easy installation or replacement.
| CTF-R | 21.5 |
| Spacing / Axle | B/O-NUT 3/8x26t |
| LTF-L | 35 |
| CTF-L | 32.5 |
| Bearing Model | 175 |
| LTF-R | 46 |
| PCD-L | 45 |
| Gears | 5-7s FW |
| PCD-R | 45 |
| OLD | 135 |






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