How many titanium screws does a mountain bike need?
This can be determined according to different needs, about 25-40 classes. It is generally used in handlebars, disc brakes, brake discs, kettle racks, rear shelves, etc. if it is required to dial higher, the iron, steel, and aluminum screws on the front and rear transmissions can be replaced.
Advantages of titanium alloy screws: lightweight, much stronger than steel and aluminum alloy. It can make light and strong parts. For example, screws do not rust, and titanium will hardly be corroded in the general environment. Good ride, titanium is also used in the spring of the shock absorber. Now the frame made of titanium is suitable for long-time riding. Some riders love titanium frames and think they feel great.
Where are they used?
List of specifications and uses of titanium screws on bicycles:
Specification, name, and definition of screw: ma * B (a = diameter of the thread, 4, 5, 6, and 8mm for bicycles; b = length of stud without screw head, unit: mm)
1. M6 * 16mm (2.8g) -- used on finger screws, brake handle screws, and clamp locking wire cores; 6 capsules per vehicle.
2. M6 * 30MM (4G) -- used on the head screw of the seat rod and the screw of the bowl group cover; 3 capsules per vehicle.
3. M5 * 12mm (1.4g) -- plum blossom head design, used on disc brake disc screws, 12 for one vehicle; The hexagonal socket design (0.2g) is used for the simultaneous installation of kettle rack and air cylinder or other applicable positions. 2-4 capsules are required for one vehicle.
4. M5 * 9mm --- used on the front and rear wire pulling clamp screws; 2 capsules required for one vehicle.
5. M5 * 10mm --- used for fixing the kettle rack; 2-4 capsules required for one vehicle.
6. M5 * 12mm --- plum blossom design, used on disc brake disc screws, 12 for one vehicle; Hexagon socket design is used for the simultaneous installation of kettle rack and air cylinder or other applicable positions. 2-4 grains are required for one vehicle.
7. M5 * 19mm --- used on the front set screw; 1 grain required for one vehicle.
8. M5 * 22mm --- used on the front screw of the handle.
Tips: there are too many kinds of bicycle accessories, and the specifications of screws at each position are not fixed. It is recommended to measure the length and diameter of screw threads on the car.
For example, M5 * 12 indicates that the thread diameter is 5mm The length of the screw rod is 12mm (excluding the screw head). The outer ring of the thread needs to be included in the diameter measurement.
