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Tx805 is released this 2020, Tx805 is updated version of m375. which can be compared with avid bb5,  Tx805 is more valuable and powerful. Mechanical caliper technology brings the brake stable and reliable.

Brand: SHIMANO
Product Name: Disc Brake-Mechanical
Model: BR-TX805
Material: aluminum alloy
Grade: Tourney TX series
made in China
Screw: 4 for pair
Weight: about 470g
Rotor size:160mm

The difference between the front and rear calipers of the disc brake is that the conversion seat is different.
When installing the A-pillar brake seat, remove the conversion seat and install it directly.
The default brake rotor diameter is 160mm, other size rotors need to be equipped with a conversion seat.