How to convert a Single-speed MTB to 10-speed

June 30, 2024. Documenting myself converting our single-speed mountain bike into a 10-speed setup.
The conversion kit includes:
1. Shimano Deore Rear Derailleur (RD-M4120-SGS)
2. Shimano Deore RapidFire Plus Shifting Lever Clamp Band 10-speed (SL-M4100-R)
3. Sunshine 10-speed Cog Cassette-type 11-42T
4. VXM 10-speed Chain
1x10 Conversion kit: s.lazada.com.ph/s.PNNlU?cc
Bike toolset: s.lazada.com.ph/s.PNybm?cc
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