Rear hub SunRace HBM45 QR Alu 7-speed 36H

SunRace makes bicycle parts for mountain (MTB), road, electric, city and children’s bikes. Its range includes shifters, derailleurs, cassettes, cranksets, chains and other components. Founded in Taiwan in 1972, the company is known for reliable performance and broad compatibility with major bicycle systems.

Technical specifications

• FreeWheel type: for a threaded freewheel
• Body material: 6061 aluminium
• Bearings: ball bearings
• D diameter: 38 mm
• Axle diameter: 10 mm
• Over-locknut distance (O.L.D.): 135 mm
• Hub axle material: S45C steel
• Hub axle length: 145 mm
• Number of spoke holes: 36H
• P.C.D.: 45 mm
• Flange: 57 mm
• Centre-to-flange distance: right: 23.5 mm / left: 33.5 mm
• QR axle material: 6061 aluminium / SCM435 steel
• QR axle length: 149 mm
• Weight: 3