Rock Machinery is a China manufacturer of bicycle and light industrial components. Our foundry in Zhejiang, China casts, forges and CNC-machines replacement components for mining and quarry equipment — supplied worldwide with full inspection documentation.
We use cold forging technology to produce bicycle components.
Our product line includes connector pull connector connecting pin, electric hub shaft, threaded hollow bolt, hub connection sleeve, hub shaft spacer, disc brake top cap, disc brake clamp top rod, Power off brake lever threading screw and non-standard fastener cap nut.
Our factory has a skilled team for products and services. Our technology and processes are updated regularly.
If you need bicycle components, contact us.
We can supply samples at no cost. Please contact us to obtain samples.
We can also produce bicycle parts to your drawing.
Bicycle threaded hollow bolt
Bicycle threaded hollow bolt 1
Bicycle power off brake lever threading screw
Bicycle disc brake clamp top rod
Bicycle nut cap
Bicycle hub connection sleeve
Bicycle electric hub shaft
Bicycle connector pull connector connecting pin
Bicycle parts store house
ZHEJIANG ROCK MACHINERY CO., LTD
Registered in China
Registration number: 91330782MACQ9CX477
Focus on ore processing machines
Leader of aftermarket mining parts
Over 20 years of specialized experience
Full parts support
Fast delivery and quick response
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©2026 ZHEJIANG ROCK MACHINERY CO., LTD