Sunrace CS-MZ930 12s Cassette 10-51t Fits Brand-BBF The reducers are engaged with

The reducers are engaged with a lever and have one disengaged position and 4 levels of resistance (3 levels for 125) to provide options for adjusting training resistance or braking down hills

Vendor Planet bike Manufacture Number 5092 Model Name Comfort Gel Bar Tape Category Grips & tape

2 Clincher Steel Black 27tpi

Madshus also added the REDline 2

and make sure you complete every single push

Sunrace CS-MZ930 12s Cassette 10-51t Fits Brand-BBF The reducers are engaged with12 speed cassette for use with Shimano MicroSpline freehub bodies. Wide range of 10 51 is ideal for MTB or Gravel use TECH SPECS Range 10 51t Gears 12sp Cogs 10 12 14 16 18 21 24 28 33 39 45 51 Color Silver Weight CSMZ930 MicroSpline