Want to choose a suitable flower drum, first of all to have a certain understanding of the types of flower drum, following the small make up together to learn it!
The types of bicycle flower drum mainly include the following:
according to the type of bearing:
Ball block type: the use of loose beads into the drum, with shaft block to support the bearing structure.
Peilin-type: namely Peilin Flower Drum, using integrated industrial bearing flower drum, bearing flower drum longitudinal force is more reliable, relatively convenient maintenance.
Press open width:
The opening of front flower drum is 1010mm in diameter;
Road/ground vehicles usually open their rear huagu gears between 120-130mm, depending on the vehicle type;
mountain vehicles open their rear huagu gears between 135-150mm.
According to the shaft core specification:
The common shaft core and the flower drum are connected as a whole, the general front flower drum is 9mm in diameter, the rear flower drum is 10mm in diameter;
The shaft core of the barrel shaft flower drum is separated from the flower drum body, the shaft core diameter generally has 10mm, 12mm, 15mm, 20mm several kinds.
According to the type of tower base:
screw-type rotary tower base, two kinds of cascading tower base.
different brands also have their own tower base specifications, such as Shimano's daycode tower base, Campagnolo's Italian tower base, SRAM's XD tower base.
According to the type of brake:
disc brake drum can be installed disc brake pad called disc brake drum, disc has a central lock and six nails two installation;
non-disc brake drum without disc brake mount base.
According to the type of lock:
can be used to lock the rapid removal of rod called the rapid removal of flower drum drum, non-rapid removal of flower drum is the use of nuts for locking.
these categories help users to choose the right bicycle drum according to different needs and conditions.
