![Shimano NOS Bicycle 600EX Cassette Hub, 6, 7 Speed 126mm spacing, 32 hole – Loose Screws Bicycle Parts Shimano NOS Bicycle 600EX Cassette Hub, 6, 7 Speed 126mm spacing, 32 hole – Loose Screws Bicycle Parts](https://i0.wp.com/www.loosescrews.com/wp-content/uploads/2015/12/SH-600CH_1.jpg?fit=2393%2C1600&ssl=1)
Shimano NOS Bicycle 600EX Cassette Hub, 6, 7 Speed 126mm spacing, 32 hole – Loose Screws Bicycle Parts
![maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange](https://i.stack.imgur.com/NlWQD.png)
maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange
![maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange](https://i.stack.imgur.com/dmye7.png)
maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange
![maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange](https://i.stack.imgur.com/wsWNs.jpg)
maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange
![Replacing 7 speed freehub body with 8, 9, 10, 11s freehub. 3x7 to 2x9 or 1x11 drivetrain upgrade. - YouTube Replacing 7 speed freehub body with 8, 9, 10, 11s freehub. 3x7 to 2x9 or 1x11 drivetrain upgrade. - YouTube](https://i.ytimg.com/vi/2Dw2_uP8zKo/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLD54w5Sx6n8F4RjCdAEf3yHujiAXQ)
Replacing 7 speed freehub body with 8, 9, 10, 11s freehub. 3x7 to 2x9 or 1x11 drivetrain upgrade. - YouTube
![maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange maintenance - 7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go? - Bicycles Stack Exchange](https://i.stack.imgur.com/Ldg5o.png)