
Twist Shifters Mountain Bike 21 Speed Cyclocross Bikes-Review
Overview
This mountain bike is a great choice for anyone looking for a durable and versatile bike that can handle a variety of terrain. It has a 21-speed transmission system, which makes it perfect for riding on a variety of surfaces, and the disc brakes provide excellent stopping power. Plus, the bike is also designed to be comfortable to ride, thanks to the ergonomic saddle and the grips on the handlebars.

Some other great features of this bike include the fact that it is made from lightweight aluminum, which makes it easy to transport, and the quick-release wheels, which make it easy to fold up and store. Plus, the bike also comes with a three-year warranty, which is a great added bonus.
Twist Shifters Mountain Bike 21 Speed Cyclocross Bikes-Specifications
- Front Derailleur: 3 Speed
- Rear Derailleur: 7 Speed
- Tire Size: 26in
- Tire Thickness: 2in
- Frame Size: 17in
- Product gross weight (kg/lb): 18kg/39.6lb
- Product net weight (kg/lb): 16kg/35.2lb
- Product size (cm/in): Length 170cm/67in Height 97cm/38.2in
- Packing size (cm/in): 134x72x20cm/53.6x28.8x8in
- Brake type: disc brake
- Load capacity (kg/lb): 100KG/220lb
- Whether it is foldable: No
- Transmission type: 21 speed

Front Derailleur (3 Speed):
This derailleur helps to shift the chain between the front chainrings to provide different gears. This particular derailleur is a 3-speed derailleur, which gives you a total of 21 different gears to choose from. This derailleur is made from durable materials and is designed to withstand the rigors of off-road cycling. It also includes a cable stop that helps to keep the cable in place and prevents it from getting tangled or damaged.
Rear Derailleur (7 Speed):

This rear derailleur helps to shift the chain between the rear sprockets to provide different gears. This particular derailleur is a 7-speed derailleur, which gives you a total of 21 different gears to choose from. It is also made from durable materials and is designed to withstand the rigors of off-road cycling. It also includes a cable stop that helps to keep the cable in place and prevents it from getting tangled or damaged.
Tire Size: 26in:
This bike comes with a 26in tire, which is a good size for off-road cycling. The 26in tire provides a good amount of traction and stability, and it is also designed to handle a variety of different terrains. It is also a good size for people who are looking for a fast, responsive bike.
Tire Thickness: 2in:
This bike also comes with a 2in tire, which is thicker than the standard bike tire. The 2in tire is designed to provide extra traction and stability, and it is also designed to handle a variety of different terrains. It is a good choice for people who are looking for a bike that can handle a variety of different conditions.
Frame Size: 17in:
This bike comes with a 17in frame size, which is a good size for people who are looking for a fast, responsive bike. The 17in frame is designed to provide a good amount of clearance and maneuverability, and it is also designed to be lightweight and easy to transport.
Conclusion
If you are looking for a reliable and durable mountain bike that offers a variety of different gears, the Twist Shifters Mountain Bike 21 Speed Cyclocross Bikes is a good choice. It comes with a 3-speed front derailleur and a 7-speed rear derailleur, which gives you a total of 21 different gears to choose from. It also comes with a 26in tire, which is a good size for off-road cycling, and a 2in tire, which is thicker than the standard bike tire. The frame size is also adjustable, so it can be customized to fit your needs.