The Shimano's MTB product line of mountain bikes
Shimano's current MTB groupsets are classified by name and code from low to high: 1. Tourney 2. Altus : M2000 3. Acera : M3000 4. Alivio : M3100 5. Deore : M4100 / M5100 / M6100 7. SLX :M7100 8. Deore XT : M8100 / M8050 9. XTR : M9100 / M9050 10. Zee : M640 11. Saint : M820 Let's analyze a bit about each of these Groupsets 1. Shimano Tourney Tourney is Shimano's popular line, at first the group was equipped with 1 disc and 6 cassettes, until 2020 shimano will be upgraded to 2 or 3 discs, respectively, with the cassette increasing to 7 or 8. The weight of the group tourney is quite heavy because it is made entirely of steel and plastic. SEE MORE DETAILS ON AMAZON 2. Shimano Altus M2000 Shimano Altus is equipped with 3 front discs and 9 gears (27 speeds). The upgrade of this line is a Shadow Design design with a Lower profile shank to help reduce crash damage when running on trails. SEE MORE DETAILS ON AMAZON 3. Shimano Acera M3000 Shimano Acera belongs to the mid-range li...