Giant ATX690D Swap Card Fly 15

Can't directly replace the card fly, change the card fly needs to replace the original rear hub with a tower type disc brake hub, the ordinary loose bead tower base disc brake hub physical store price 80-98 TB 60 or so, about the replacement of the card fly, the current card fly is the lowest 8 speed bar, but usually the road is mainly used to use the original 7-speed finger dial. That is to say, the largest piece of rear flight cannot be used. About the effect.

The force caused by the longitudinal ore volume of the tower base hub with the card fly is much smaller, that is to say, the force to overcome the longitudinal deflection when the chain is driven horizontally is smaller... So that the communication efficiency is higher. There is also the smallest tooth of 8 speed flight is smaller than the smallest tooth of 7 speed flying, so there will be a greater pull ratio...

Of course, the premise is that the original 3-7 must not be hard to step on... Otherwise... The effect after replacement will not be noticeable.

If you want to install a flyer, you need to change the hub first, because the original one is a spinning hub that can't be equipped with a flywheel, and you need to replace the hub with a flywheel hub, and then you can fly on the card.

690D is a disc brake, the disc is six, it is recommended to go to **search to see if you can find the rear hub of Shimano M475, the estimated price is about 100 yuan, and then find a car repair stall that is not too trendy, spend 50 yuan to knit the rim. It costs a total of 150 yuan.

The 690D is a 21-speed, and the rear derailleur uses Shimano's Altus series M310, which itself is an 8-speed derailleur, if you change the card to fly, it is recommended to upgrade the car to 24 speeds.

Change Shimano EF51-8 finger dial, about 100 yuan. Then buy an 8-speed truck to fly, about 60 yuan. If the chain is not long enough, replace it, so that it costs a total of about 300 to 350 yuan to turn 690d into 24 speeds, which makes sense to change 7-speed Kafei alone, and the chain 678 three-speed can be universal, as long as it is long enough, nothing else needs to be changed, and it is fully compatible.

Overall, the ATX670 and the Merida Warrior 560 are the same grade cars, and even the price is the same. Of course, the configuration including the fork transmission is the same, and the main difference is in the frame and gear set! Let's talk about the frame!

The frame of the 670 is lighter, and the tires use Zhengxin low-resistance mountain tires, which are suitable for road riding. The Warrior 560 has a heavier frame and has the TFS frog leg technology that the Merida Challenger series has lowered, which will be more stable when cornering at high speeds, so the Warrior is more suitable for mountain rushing, driving skills, or long distances. If the landlord usually walks the flat road, not too much mountain road or long-distance, it is recommended 670, if the off-road long-distance or like to play car skills, just the warrior!

Thanks for adopting, trust me.

1. Giant ATX670 features:

The ATX670 is Giant's classic entry-level mountain bike, developed to meet the needs of trail terrain and urban recreational sports. The frame strength is very good, the steering dial is EF-29, the flywheel is 7-speed spinning, there is no quick release (the 2012 version and the latest 2014 version have quick release), and there are multiple colors to choose from. The aluminum alloy frame plus the front shock absorber is comfortable, labor-saving, easy to handle, and has good pedaling efficiency.

2. Giant ATX670 detailed configuration:

Size]: 26*17m-19m

Frame]: Giant high-grade aluminum alloy hard molded frame.

Fork]: TGS aluminum alloy spring suspension fork.

Shifting System]: Shimano Tourney 21S [Hub]: Jiuyu aluminum alloy hub.

Rim]: Aluminum alloy double-layer rim.

Tires]: Kanda26* tires.

Crank]: Sugino, aluminium alloy.

Chain]: KMC, anti-rust silent function.

Cassette]: Shimano TZ-21

Saddle]: Velo saddle.

Receiver]: Mechanical disc brake.

Pedal]: VP K218 lightweight aluminum alloy pedal.

Other]: Shimano EF50 integrated handlebar; aluminum alloy parts; velo bacteriostatic grips; Dedicated rear-mounted parking racks.

The biggest difference is mainly the manufacturer's problem Look at how close to your home is Giant's store or Merida's How close is the same style of Merida is cheaper than Giant But Giant's painting is basically a second kill Merida with the same model If it's just exercise, it is recommended to buy a good-looking one Giant is good But it depends on how your home or your school near the store service is generally after-sales as long as it is not a big problem to replace the two brands of stores are free to repair.

Hello! How big is the crankset? 48t is no problem, no matter how big it is, it's hard to say.

If you want to change the card fly, you need to change the hub first, and the hub that can be equipped with a rotary flywheel cannot be equipped with a cassette flywheel.

If the chain is long enough, you don't need to change it, so you don't have to worry about bearing it.

However, it is necessary to consider whether the rear derailleur is compatible with the tooth volume of the crankset and flywheel.

It's not easy to type, adopt it!

Size]: 26*17m-19m

Frame] :**Giant aluminum alloy hard molded trapezoidal frame, convex giantlogo fork]: Aluminum sensitive bench alloy disc brake suspension fork.

Shifting system]: SHIMANO

21-speed. Hubs.

Aluminum alloy quick-release hub.

Rims]: CNC aluminum rims with rivets.

Tires]: Kenda26* tires.

Crank]: Sugino, aluminium alloy.

Chain]: KMC, anti-rust silent function.

Saddle]: Velo saddle, quick-release saddle bar.

Receiver]: Aluminum alloy V-brake.

Others]: aluminum crank large chainring; Concealed cartridge bearings axle brigade head assembly; aluminum punching alloy frame, handlebar, stem, seatpost; velo bacteriostatic grips; Dedicated rear-mounted parking rack 7-speed with 11 teeth. However, I personally think that 11 teeth are too easy to wear out.

It is recommended not to change it. 14 teeth are enough.

The reasons are manifold:

1) Entry-level, the car is not of high grade.

2) The car is not regularly maintained.

3) I usually don't care much and damage the car.

4) The suspension hardens and the tires are worn.

5) The hub and pedal are worn and not lubricated.

6) Chains, cranksets, flywheels, etc. are dirty.

2. If there is no *** car, it is a fake, or an old car that has been around for a long time. This kind of old car can also be seen as a fake.

3. The car in your ** is not ***, so it can be regarded as a fake.