Reviews Derailleur Bearings

SAVADECK Carbon Fiber Mountain Bike, DECK6.0 15''/17''/19'' Carbon Frame, 27.5/29'' Wheels MTB Bicycle 30 Speed with Shimano DEORE M6000 Groupsets, Red 27.5x17''

TORAY T800 Carbon Fiber Frame provide mountain bike a structure that is uniquely strong and lightweight..
Hydraulic air front fork delivers 100mm of suspension travel provides added control and comfort on the trail..
Shimano M6000 DEORE 3*10S Derailleur System: Including Shimano RD-M6000 Front derailleur, Shimano RD-M6000 rear derailleur ,enables you to easy operate and start your riding effectively..
Hydraulic Disc Brake System and Continental Tire: Double Hydraulic Disc Brakes offer great stopping power in case of an emergency. Continental mountain bike tire provides excellent multi-condition performance..
Easy to Assembly and High Cost-performance: The Hard Tail Mountain Bike almost done pre-assemble packing before shipping. Designed for Cycling Enthusiasts and Professional Entry-level Riders..

TORAY T800 Carbon Fiber Frame provide mountain bike a structure that is uniquely strong and lightweight..
Hydraulic air front fork delivers 100mm of suspension travel provides added control and comfort on the trail..
Shimano M6000 DEORE 3*10S Derailleur System: Including Shimano RD-M6000 Front derailleur, Shimano RD-M6000 rear derailleur ,enables you to easy operate and start your riding effectively..
Hydraulic Disc Brake System and Continental Tire: Double Mechanical Disc Brakes offer great stopping power in case of an emergency. Continental mountain bike tire provides excellent multi-condition performance..
Easy to Assembly and High Cost-performance: The Hard Tail Mountain Bike almost done pre-assemble packing before shipping. Designed for Cycling Enthusiasts and Professional Entry-level Riders..

TORAY T800 Carbon Fiber Frame provide mountain bike a structure that is uniquely strong and lightweight..
SR Suntour fork delivers 100mm of suspension travel provides added control and comfort on the trail..
Shimano M6000 DEORE 3*10S Derailleur System: Including Shimano RD-M6000 Front derailleur, Shimano RD-M6000 rear derailleur ,enables you to easy operate and start your riding effectively..
TEKTRO M275 Hydraulic Disc Brake System and Continental Tire: Double Mechanical Disc Brakes offer great stopping power in case of an emergency. Continental mountain bike tire provides excellent multi-condition performance..
Easy to Assembly and High Cost-performance: The Hard Tail Mountain Bike almost done pre-assemble packing before shipping. Designed for Cycling Enthusiasts and Professional Entry-level Riders..

Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount.
All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions.

*Model：RD-TY21B rear derailleur compatible with 6/7 speed mountain bikes..
*Note:The rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering..
*Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding..
*Wide application: Rear derailleur is easy to use and maintain.Suitable for MTB,mountain bikes, road bikes, folding bicycles and so on..
*Important: Please feel free to contact if you have any questions, we will provide quality service..

【The DAHON Advantage】DAHON is the undisputed king of folding bikes. Join the family of millions of cyclists powered by our leading technology..
【Adjustable Handle】Equipped with a radius telescope made of forged alloy with fusion technology, the handlebar can be adjusted to give you greater....
【Durable Aluminum Frame】The Mariner D8 folding bike’s frame is constructed from a lightweight Dalloy Sonus tubeset and a lattice forged hinge....
【8-Speed Derailleur & Dahon tires】Dahon rear derailleur gives you the opportunity to cruise or shift in high gear. The bike features a 20-inch....
【Lightweight Folding Bikes】Designed for leisure and daily commuting, this DAHON 20" folding bike has a folded size of 31”x 12” x 25” and....

【The DAHON Advantage】DAHON is the undisputed king of folding bikes. Join the family of millions of cyclists powered by our leading technology..
【Adjustable Handle】Equipped with a radius telescope made of forged alloy with fusion technology, the handlebar can be adjusted to give you greater....
【Durable Aluminum Frame】The Mariner D8 folding bike’s frame is constructed from a lightweight Dalloy Sonus tubeset and a lattice forged hinge....
【8-Speed Derailleur & Dahon tires】Dahon rear derailleur gives you the opportunity to cruise or shift in high gear. The bike features a 20-inch....
【Lightweight Folding Bikes】Designed for leisure and daily commuting, this DAHON 20" folding bike has a folded size of 31”x 12” x 25” and....

Great value front derailleur that delivers accurate and low-friction shifting for. Multi-fit, Dual pull and top swing.
With the use of included adapters, the derailleur can be mounted to any size seat tube.
Top swing dual pull design is light action and compatible with either top or bottom pull frames.

【Usage Indicator】: Hold the derailleur hanger alignment in one hand, keep the body steady, one hand open or push the main body (specifically according to the tail hook), adjust the data deviation of the measurement rod corresponding to the data deviation of the ABCD point is OK, the adjustment process may need more subtract. (Note: ABCD refers to 4 points of the end face of the rim).
【Deviation Measurement】: Rotate the lock handle, adjust the measuring rod, lock the sliding sleeve, adjust the distance between the measuring rod and the ring, determine the value of the measuring rod, measure the deviation between the tail hook and the ring.
【Strong Material】: The derailleur hanger alignment gauge main body is made of aluminum alloy with anodized surface, which reduces the weight while having strong hardness.
【360° Correction】: Rotate the spacing between the wheel group and the tail, 360° rotation measures the spacing between the wheel group and the tail. Lock the rod, accurate thread, closely fit, clockwise rotate the handle, screw the rod into the tail, accurate lock.