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KITACO

01 Mar 2024

Front Sprocket

Fits: HONDA NSF100, HONDA SUPER CUBC125, HONDA SUPER CUBC125, HONDA DAX125, HONDA MONKEY125, HONDA MONKEY125, HONDA MONKEY125, HONDA glom, HONDA glom, HONDA glom, HONDA CROSSCUB110(FI Vehicles), HONDA CROSSCUB110(420Conversion), HONDA CROSSCUB110(420Conversion), HONDA SUPER CUB110-PRO(FI Vehicles), HONDA SUPER CUB110PRO, HONDA SUPER CUB110(FI Vehicles), HONDA SUPER CUB110(420Conversion), HONDA SUPER CUB110(420Conversion), HONDA SUPER CUB110, HONDA XR100MOTARD

Japanese Webike user

4/5

exchange

I purchased a new Sprocket to replace the Chain with a new one.
The price is reasonable and helpful. View detail

SUNSTAR

29 Feb 2024

Chain & Sprocket 3 Pieces Set

Fits: KAWASAKI ESTRELLA RS CUSTOM, KAWASAKI ESTRELLA CUSTOM, KAWASAKI ESTRELLA CUSTOM, KAWASAKI ESTRELLA, KAWASAKI ESTRELLA CUSTOM LE

Japanese Webike user

5/5

Sprocket and Chain are recommendation to be exchanged at the same time.

Chain and Sprocket Quantities:Set
I replaced both because they were noisy around the Rear at 2000 km at the time of purchase used.
Chain was purchased because of its simplicity in that it is pre-cut.

First, let's talk about Chain and Sprocket and their respective roles.

■Chain‥
Chain is a Motorcycle "Important safety parts" It is one of the parts designated as a "Rear Wheel Power Converter" and is responsible for transmitting the power of the Engine to the rear wheels. 。 The parts that make up the drive chain consist of the pin that supports the load applied to the chain, the bush that supports the pin, the roller that meshes with the sprocket (gear) and absorbs impact, and the inner and outer plates that are the strength members.
Chain is a consumable item, and the large impact on the life of the chain is "Elongation" Swing Arm rear end. Chain pull." If the tension is stretched to the point that it cannot be adjusted with the (Chain may come off while driving!) If the length of the product grows to some extent, even if it is less than that, it must be replaced.

Sprocket‥
What is Sprocket? Sprocket." It plays an important role in transmitting the power of the engine to the tires. 。 The Sprocket is always in contact with the Chain, but since it is usually covered by the Cover, it is often overlooked during maintenance.

Quantity of Chain and Sprocket exchanged this time:Set→
When replacing a Chain, should the Sprocket also be replaced or not?
"Since the expenses will increase, I'll just exchange the Chain this time for now…." That's the truth (laughs).
However, it is a recommendation… to replace the Front sprocket and Rear sprocket at the same time, or as a result, it is more profitable to replace them at the same time.
Because if the Chain has been running long enough to stretch, the Sprocket is definitely worn out.

good point
Chain and Sprocket are a set, so you can choose each separately and save time and gold.

Since it is MADE IN SUNSTAR, the performance is perfect.

Chain is already cut, so you don't have to go through the trouble of getting a Chain Tool to do the work. ←This is important.

important point
When touching Sprocket, bare hands are dis→ed.
● The work process is tedious because there are many work processes.

Since it is related to power, I think there is little demerit in replacing it.
Point is that it is better to choose a Manufacturer to some extent. Not so much in terms of performance, but in terms of durability and accuracy.

Timing better to replace Chain and Sprocket

When vibration or noise is Large around the ▲Chain.
Pitch of Chain (Distance between Pin and Pin inside Roller) and Sprocket's Pitch (distance between teeth) will be Gap, the so-called Pitch shift. The Sprocket can be worn out at an accelerated rate. If the Sprocket runs with a pitch shift, the bottom of the Sprocket teeth cannot catch the roller, and the Sprocket wears out at an accelerated rate.

▲When you feel fuel consumption deteriorating.

In the above situation, replacing only the Chain or only the Sprocket will not solve the problem.

Instead, the chain grows faster and the sprocket wears out even more, and a vicious cycle ensues. And when only the worn-out Sprocket is replaced, the Chain is still not resolved because the Chain has grown to some extent at that point, and the Chain misalignment is repeated. As a result, the life of the Chain and Sprocket as a whole is shortened.
Since this is caused by the interaction of deterioration and wear of the chain and sprocket, we recommend replacing them at the same time.

With proper replacement timing and daily maintenance. View detail

STD Series Chain 428HD Steel [with Clip (RJ) Joint]

DID

29 Feb 2024

STD Series Chain 428HD Steel [with Clip (RJ) Joint]

Fits: SUZUKI RM80, SUZUKI RM80, SUZUKI RM80, HONDA TL125, YAMAHA WR125X, YAMAHA V80N MATE, YAMAHA V50N MATE NEWS, YAMAHA V50N MATE NEWS, YAMAHA TZR50R, YAMAHA TZR50, YAMAHA TZR50, YAMAHA TZ50, YAMAHA TW225E, YAMAHA TW200E, YAMAHA TW200, HONDA CB150R, KTM 85 SX, APRILIA RS4 Replica 4T, APRILIA RS4 Replica, KAWASAKI KMX125

Japanese Webike user

2/5

street riding

It rusted right after the Muddy run. View detail

SUNSTAR

29 Feb 2024

Front sprocket

Fits: YAMAHA YZF-R3, YAMAHA YZF-R25, YAMAHA YZ450F, YAMAHA YZ426F, YAMAHA YZ400F, YAMAHA YZ250, YAMAHA WR450F, YAMAHA WR426F, YAMAHA WR400F, YAMAHA WR250, YAMAHA TZR250SPR, YAMAHA TZR250SP, YAMAHA TZR250RSR, YAMAHA TZR250R, YAMAHA TZR250, YAMAHA TDR250, YAMAHA SRV250S, YAMAHA SRV250, YAMAHA Renaisa, YAMAHA R1-Z

Japanese Webike user

4/5

durability

I use it for its durability.
(10000-30000km) View detail

SUNSTAR

29 Feb 2024

Front Sprocket

Fits: KAWASAKI Z400FX, KAWASAKI Z400FX, KAWASAKI Z1000 R Edition, KAWASAKI Z1000 R Edition, SUZUKI GSX1100F, SUZUKI GSX600F, SUZUKI GSX600F, SUZUKI GSX600F, SUZUKI GSX-R1100, SUZUKI GSX600F, SUZUKI GSX600F, SUZUKI GSX600F, KAWASAKI ZX-9R, KAWASAKI Z900SE, KAWASAKI Z900RS SE, KAWASAKI Z900RS SE, KAWASAKI Z900RS CAFE, KAWASAKI Z900RS CAFE, KAWASAKI Z900RS CAFE, KAWASAKI Z900RS CAFE

Japanese Webike user

3/5

Suitable for highways, sluggish in town

The front sprocket does not loosen unless the Impact wrench is turned at the maximum Large Power to install it. From the next time, it can be turned manually.
Also, if you do not take the Bracket on the Cover of the Sprocket, the Cover will not be attached.
The Metropolitan Expressway and the Tomei Expressway are not different.
The start of the road down the road is sluggish and doesn't fit.
(Normally, up to 16T would be good.)
Quantity assuming Fuji Speed way:Set, so will try in April.
On the other hand, we plan to try 14T in Tsukuba and other areas. View detail

ZVM-X SeriesChain 520ZVM-X Black [with Crimp(ZJ)Joint]

DID

28 Feb 2024

ZVM-X SeriesChain 520ZVM-X Black [with Crimp(ZJ)Joint]

Fits: KAWASAKI KLR650, bimota DB5, MV AGUSTA BRUTALE675, DUCATI scrambler, DUCATI 959Panigale, DUCATI 899Panigale, DUCATI 750F1, DUCATI 750F1, DUCATI 750F1, YAMAHA XJR400R, YAMAHA TZR250, YAMAHA MT-25, SUZUKI GS500, SUZUKI DR800S, YAMAHA YZF-R3, YAMAHA DIVERSION400, SUZUKI DR600, SUZUKI DR650 SE, SUZUKI DR750, KTM RC390

Japanese Webike user

4/5

I'm lighter

I can now move it lightly when I push it. View detail

VXSeriesChain 520VX3 Steel [with Clip(FJ)Joint]

DID

28 Feb 2024

VXSeriesChain 520VX3 Steel [with Clip(FJ)Joint]

Fits: KAWASAKI Z650, KAWASAKI Z250, KAWASAKI VERSYS, KAWASAKI VERSYS, KAWASAKI Ninja400, KAWASAKI Ninja250, KAWASAKI Ninja ZX-6R (ZX636), KAWASAKI Ninja 650, KAWASAKI KLX230, SUZUKI DL1000 V-STROM250, SUZUKI DL1000 V-STROM250, SUZUKI SV650X, SUZUKI SV650, SUZUKI SV650, SUZUKI GSX250R, YAMAHA YZF-R3, YAMAHA YZ250X, YAMAHA YZF-R25, YAMAHA MT-25, YAMAHA MT-03

Japanese Webike user

5/5

DID for peace of mind!

I replaced the WR because it had never been replaced since I purchased it and because it was rusting badly and its movement was becoming sluggish.
I think the Chain before the replacement was a little more than OEM so that it could be used with the Rear Sprocket for Off-Road! (I think it was 110 LINK)
However, I don't use the Rear Sprocket for Off-Road anymore and when it is set to MOTARDSpec. it was a little loose even when the Chain Adjuster was extended to the limit, so I reduced the number of LINKs to 108 LINKs.
I think that OEM Rear Sprocket can be installed without any problem, but I had to increase the number of Sprocket on the Front to make it larger, so I was able to make a Limit Joint with the Chain Adjuster at its shortest (lol).
I thought the chain might be too tight, but it was surprisingly roomy and did not break....it might break if the rear suspension is at full bottom....but it is no problem in town driving.
After the chain replacement, the rear tire turns smoothly, and the chain noise and squeaking noise are reduced when driving. View detail

SUNSTAR

28 Feb 2024

Rear Sprocket Duralumin

Fits: HONDA V-TWIN MAGNA, HONDA CL400, HONDA CBX400F, HONDA CB400SS, HONDA STEED400, HONDA STEED600, HONDA CBR500R, HONDA CB400FOUR, HONDA VFR400Z, HONDA VRX Roadster, HONDA XRV750 AFRICATWIN, HONDA VF1000R, HONDA VF400F INTEGRA, HONDA VFR400R, HONDA VF750F, HONDA VF400F, HONDA VF1000F, HONDA VF1000F interceptor, HONDA CBR400F, HONDA STEED400

Japanese Webike user

4/5

520Conversion

I was able to Conversion from 530 to 520. View detail

Front / Rear Sprocket & Chain / Caulking Joint Set

KITACO

27 Feb 2024

Rear Sprocket

Fits: HONDA CUB press 50, HONDA CUB press 50, HONDA CUB press 50, HONDA CUB press 50

Japanese Webike user

5/5

For the final taste after bore up.

I replaced the Sprocket (Front and Rear) while converting to 88cc this time.

Why change Sprocket?

If you Bore up like I did, you will get more Torque and output than 50 OEM.
Therefore, it is necessary to change the OEM Sprocket setting to release the Engine Power more efficiently. If the clothes are too tight, they will tear, right?

So how can we transmit Power efficiently?
GEAR ratio needs to be changed.
The GEAR ratio is the so-called secondary reduction ratio, which is calculated by “Rear Sprocket Ding Number ÷ Front Sprocket Ding Number ”.
In other words, “how many revolutions of the Front sprocket are required to make one revolution of the Rear Sprocket”.

What are the effects or changes that would occur if the Sprocket is changed or replaced?

[FrontSprocket]
● Increase = higher top speed, lower acceleration, lower rpm when cruising, better fuel economy.
● Reduce = no increase in top speed, better acceleration, higher rpm when cruising, and lower fuel economy.

Rear sprocket
Increasing the number of rpm = no increase in maximum speed, better acceleration, higher rpm when cruising, and lower fuel economy.
● Reduce = Increased maximum speed, reduced acceleration, lower rpm when cruising, and better fuel economy.
The effect is reversed for the front and rear Sprocket.
You can replace either the front or rear, but since 1T on the front is equivalent to 3T on the rear, you may be able to save money by replacing the front if you want to change to a larger size.

I use Rear for fine tuning. 。 When the rear is large, it may get caught on bumps,
If the Front is small, the Chain will cut down the Arm, and if it is large, it will hit the Case.
The Front side may be changed by one or two fingers. After that, adjustment is made on the Rear side.

I purchased the CUB for CUB PRESS, which seemed to be expected to be durable, and replaced it this time.

good point
CUB PRESS→ Newspaper delivery. Since it runs with a lot of newspapers loaded, a more durable Sprocket is used than NORMALCUB.
Durability is high.

○Compatibility with ordinary CUBs.

Chose 14 front and 40 rear for balance between acceleration and maximum speed. It is easy to ride.

The front was changed to OEM13→14, which made it easier to handle in first and second gear.

A bad point
○The price is higher than for a regular CUB.
I think it can't be helped because it is made to be durable.

Rotation of the Engine is transmitted from the Front Sprocket through the Chain to the Rear Sprocket to drive the rear wheels. In other words, the above is synonymous with “ How many revolutions of the Engine are required to make one revolution of the rear wheel? 。
In other words, changing the Sprocket's Ding number is a change in the ratio of the Engine's RPM to the RPM of the driven rear wheels. 。

The change of Sprocket is effective not only for bore up, but also for NORMAL vehicles with low speed gear with low torque, such as 1st and 2nd gear, to make it smoother. View detail

25 Feb 2024

GCRacing goldChainSeries Chain GC428MRU2

Fits: HONDA CT125 CT110 HUNTER CUB, YAMAHA SEROW225, SUZUKI GSX-R125, HONDA CROSSCUB110, YAMAHA SEROW250

Japanese Webike user

4/5

It's the only way

Product Name
RK JAPAN RKJapan RKChain GCRacing goldChainSeries Chain GC428MRU2

Item Number
GC428MRU2-122

Vehicles
GSX-R125 ( 2BJ-DL33B ) 2020

Number of man-hours
30 min.

Required Tools
Torque wrench, hexagon socket, Hexagon socket, Extension bar, Combination wrench, -Driver, Hammer, Pliers, etc. would be perfect.

Why did you choose this product?
This is the only Clip type in Gold that I could find, and I hope they DID their best.

Was the one you received as per Image?
It was just like the Image. It was dark gold.

Was the installation difficult?
It's not too difficult because it's a Clip type, it can also be a CrimpType, so to each his own.

How was your experience with it?
Friction is good. Gold is shining.

[Included Parts:were they on?
Both Crimp and Clip type are included.

[Was there anything that disappointed you?
None in particular

Other items that would be helpful
Installation points and hang/Availability and clarity of the Instruction Manual/Points to consider/Items to purchase/Opinions and requests to the Manufacturer View detail