Motorcycle Driven Sprocket / Rear Sprocket Reviews

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DRC

03 Oct 2023

Dura Rear Sprocket

Fits: YAMAHA YZ125, YAMAHA YZ250, YAMAHA YZ250F, YAMAHA YZ400-450F, YAMAHA YZ400, YAMAHA YZ450F, YAMAHA YZ125X, YAMAHA YZ250X, YAMAHA YZ250FX, YAMAHA YZ450FX, YAMAHA WR250F, YAMAHA WR400F, YAMAHA WR450F

Japanese Webike user

5/5

Much lighter than NORMAL.

DriveSprocket of NORMALWR250R was changed from 13T to 14T and Driven from 43T to 48T.
The secondary reduction ratio is slightly lower geared, from 3.308 to 3.429.
I decided to use Dura for both front and rear because of its durability, but it is lighter than I expected due to its meatless design.

With Driven48T, I think it is better to loosen the Chain Guard when assembling to avoid interference during work.

The effect of the low gearing is that it is easier to maneuver at low speeds. It is only a slight change, but the effect is felt well.
The degree of HappyMeter, however, is very much the same (laughs). View detail

Off-road Use Rear Sprocket "Forest Road Teeth"STENZ

SUNSTAR

04 Jun 2023

Off-road Use Rear Sprocket "Forest Road Teeth"STENZ

Fits: YAMAHA YZ125, YAMAHA YZ125X, YAMAHA YZ250F, YAMAHA YZ250X, YAMAHA YZ450F, YAMAHA YZ450FX, HONDA XLR200R, HONDA XR200R, YAMAHA WR250, YAMAHA WR250F, YAMAHA WR250R, YAMAHA WR250X, YAMAHA WR400F, YAMAHA WR426F, YAMAHA WR450F, YAMAHA YZ250, YAMAHA YZ250, YAMAHA YZ400F, YAMAHA YZ426F

Japanese Webike user

5/5

Both toothpaste and tooth Brush and Sprocket are SUNSTAR!

*Motivation to purchase
I think the setting is close to the limit with normal chain. However, in order to increase the number of LINKs and replace the chain this time, I'd like to swing even shorter." I thought that I would be able to order a 48th, but at the time it was sold out, so I bought a 47th.

I have been using a 0.45, and I felt that the chain was not too tight due to mud adhesion, and it was lightweight and wonderfully durable! I felt that it is lightweight and durable.

The design was different from the usual aluminum and steel Sprocket, and was novel.

0Because I liked the surface treatment, which is not too flashy and calm.

Installation
With the vehicle mounted, loosen all the mounting bolts/nuts on the nut side.

0Wheel was removed from the vehicle body and all HEXBolt was removed using an electric Driver.

0Bolt nut came with a new one, but it seemed to have no problems, so we reused it.

The bolt is then tightened several times in equal groups, ending with the final tightening using a hex wrench and long glasses.

*Feelings after use
0The speed of the car was only 2 guns different from before, but on long climbs, the car was able to accelerate even at GEAR and vehicle speeds that used to stall, and I felt that I was able to easily achieve speed without stalling.

I feel like the front up is easier when going over the 0 log/stiretc.

0When descending a gravel road, if done as with the previous GEAR selection, Engine braking became too effective and unstable.

I wanted to try 48 Ding, considering both the 0 up/down.

I could not exchange them without tools this time, but I could ask the shop to do it for me. View detail

SUNSTAR

02 Apr 2023

Off Road Use Rear Sprocket STENZ

Fits: HONDA XR200R, HONDA XLR200R, YAMAHA YZ450FX, YAMAHA YZ450F, YAMAHA YZ426F, YAMAHA YZ250X, YAMAHA YZ250F, YAMAHA YZ250, YAMAHA YZ250, YAMAHA YZ125X, YAMAHA YZ125, YAMAHA WR450F, YAMAHA WR426F, YAMAHA WR400F, YAMAHA WR250X, YAMAHA WR250R, YAMAHA WR250, YAMAHA WR250F, YAMAHA YZ400F, YAMAHA YZ400F

Japanese Webike user

5/5

Forest Road Dentistry STENZ [Stenz]

I purchased this product to REPEAT what I currently have installed.

Chain and Driven Sprocket (ENG side) will be installed at the same time (front 14, rear 46)

Gold chain also eliminates friction loss and lasts longer.

The speed is stable and reasonable even at high speeds. View detail

DRC

13 Dec 2022

Dura Rear Sprocket

Fits: YAMAHA WR450F, YAMAHA WR400F, YAMAHA WR250F, YAMAHA YZ450FX, YAMAHA YZ250FX, YAMAHA YZ250X, YAMAHA YZ125X, YAMAHA YZ450F, YAMAHA YZ400, YAMAHA YZ400-450F, YAMAHA YZ250F, YAMAHA YZ250, YAMAHA YZ125

Japanese Webike user

5/5

Will not interfere with OEMChain Guard!

It was said that up to 51 rear sprockets could be installed on a WR250R without modification (chain replacement is required), but we decided to increase the number of sprockets to 50 to make room for more sprockets. At the same time, the Front Sprocket was reduced by one to 12, so it became very short, but it is very powerful on forest roads. It is also manageable on public roads. I was concerned about the excessive effect of the embellishments, so I changed the Front back to the OEM 13, but the Rear is still 50. I think the current condition is the best unless the car is too hard/enduro. View detail

DRC

26 Oct 2022

Dura Rear Sprocket

Fits: YAMAHA YZ250, YAMAHA YZ125, YAMAHA WR250F, YAMAHA YZ450FX, YAMAHA YZ250FX, YAMAHA YZ250X, YAMAHA YZ250F, YAMAHA YZ400-450F, YAMAHA YZ400, YAMAHA YZ450F, YAMAHA YZ125X, YAMAHA WR450F, YAMAHA WR400F

Japanese Webike user

4/5

Stable DRC

I was competing in the MFJ Regional Enduro and my OEM Sprocket was bent in a very hard course with gullies, logs, and a very steep hill climb, so I had to buy a new one in tears.
I have been playing Hard Enduro since then, and the Sprocket does not bend at all, and it is lightweight and very cost-effective!

There are better quality Sprocket such as Renthal, but since it is a consumable item, it is a recommendation because it is such a good quality product for about 8,000 yen. View detail

ISA

10 Oct 2022

Rear Sprocket [Drive Sprocket]

Fits: YAMAHA YZ125, YAMAHA YZ250, YAMAHA YZ250F, YAMAHA YZ450F, YAMAHA YZ400F, YAMAHA YZ426F, YAMAHA WR250, YAMAHA WR250F, YAMAHA WR250R, YAMAHA WR250X (MOTARD), YAMAHA WR400F, YAMAHA WR426F, YAMAHA WR450F, HONDA XL250S

Japanese Webike user

5/5

It's light.

Was the one you received as per Image?
Looks Parenthesis nice!

Was the installation difficult?
Working on it after removing the Tire will be a challenge.

How was your experience with it?
I haven't driven it yet, but I expect it to be durable.

[Included Parts:were they on?
Body only

Items to buy together
OEM Bolt cannot be used, so another Bolt must be bought. View detail

DRC

15 May 2022

Dura Rear Sprocket

Japanese Webike user

5/5

Added Ding to Forest Road Spec.

One set was replaced with Chain replacement.
Also, the OEM gun was a little hard on the forest roads, so we switched to 47 guns.
It is now much easier to handle at very low speeds and can be started using only the clutch.
I think I could have given him another one.
It looks great because it is black and the holes are punched out, making the undercarriage look tighter.
I don't know about the durability as I have only driven about 1000km, but I will trust the Catalogue of the Manufacturer.
I changed the number of digits so it became HappyMeter, but I'll fix it when I feel like it. View detail

DRC

01 Apr 2022

Dura Rear Sprocket

Fits: YAMAHA YZ450F, YAMAHA YZ400-450F, YAMAHA YZ400, YAMAHA YZ250, YAMAHA YZ250F, YAMAHA YZ125, YAMAHA YZ125X, YAMAHA YZ250X, YAMAHA YZ250FX, YAMAHA YZ450FX, YAMAHA WR250F, YAMAHA WR400F, YAMAHA WR450F

Japanese Webike user

5/5

Installed on a WR250R

I'm MOTARDing it with an XWheel, so I replaced it!
The XWheel hubs are Black, so I'm hoping the color and the fact that it's Steel will make it more durable!
A separate taper bolt is required for installation. View detail

DRC

26 Mar 2022

Dura Rear Sprocket

Fits: YAMAHA WR400F, YAMAHA WR250F, YAMAHA WR450F, YAMAHA YZ125, YAMAHA YZ250, YAMAHA YZ250F, YAMAHA YZ400-450F, YAMAHA YZ400, YAMAHA YZ450F, YAMAHA YZ125X, YAMAHA YZ250X, YAMAHA YZ250FX, YAMAHA YZ450FX

Japanese Webike user

5/5

Durable.

It is durable because it is made of steel, and while aluminum will wear out quickly, this product will last more than twice as long.
It doesn't look bad, and if you are not very particular, I think this will be enough. View detail

ISA

30 Nov 2021

Rear Sprocket [Drive Sprocket]

Japanese Webike user

5/5

Sprocket is an ISA

I've used ISA Sprocket on other cars and it seems to hold up really well. It looks exactly the same as it did when it was new for a while after I started using it.
I think there are a lot of people around who use it for Motocross.
There is a wide range of settings for the number of pages, and I think there is enough for any scene. View detail

DRC

11 Nov 2021

Dura Rear Sprocket

Japanese Webike user

5/5

Cost-effective!

They're consumables, so cheaper would be great, but I've had no problems with their accuracy or strength!
I changed to Front14Rear48 and it's so much easier to travel on public roads.
It seems that some models require a special Bolt nut, but WR250F does not.
I also changed the chain at the same time to a NORMAL 114LINK so that I can return to the original reduction ratio.
The Black Sprocket and Gold Chain are so Parenthesis!
There is a DID site that automatically calculates the number of chain tops, the number of Sprocket teeth, and the reduction ratio, etc. If you are confused about the GEAR ratio or chain length, please google it. It's very useful! View detail

SUNSTAR

26 Feb 2021

Off Road Use Rear Sprocket STENZ

Japanese Webike user

5/5

WR250R

It has 16000km on it. It feels a little sharp, but I can't say how durable it is until I drive it some more. It looks strong and I have a better impression after purchase than before purchase. View detail

DRC

14 Feb 2021

Dura Rear Sprocket

Japanese Webike user

5/5

Black color is Chain lube stain resistant.

I installed it on my 2007 wr250x, and the FrontSprocket and DuraSprocket of the company were good together, and the fuel consumption improved by about 1.5 liters. The front sprocket also works well with the Dura Sprocket. View detail

DRC

27 Jan 2021

Dura Rear Sprocket

Japanese Webike user

5/5

The design is great. And it's so light!

The mileage of wr250X is over 16000. The OEM Sprocket is still in stock because the teeth are half worn. But it is light! View detail

DRC

17 Jan 2021

Dura Rear Sprocket

Japanese Webike user

5/5

This is the Sprocket that utilizes the advantages of Steel in the largest size possible.

I chose it to use for wr250X. I have been using this product for a long time, so the beauty of the shape, the length of the life of Steel, and above all, the design that I took the liberty to reduce the weight is the best. View detail

XAM

30 Sep 2020

Tough Light Steel Rear Sprocket

Fits: YAMAHA YZ450F, YAMAHA YZ450F, YAMAHA YZ450F, YAMAHA YZ450F, YAMAHA YZ450F, YAMAHA YZ450F, YAMAHA YZ426F, YAMAHA YZ426F, YAMAHA YZ400F, YAMAHA YZ250, YAMAHA YZ250, YAMAHA YZ250, YAMAHA YZ250F, YAMAHA YZ250F, YAMAHA YZ250F, YAMAHA YZ250F, YAMAHA YZ250FX, YAMAHA YZ125, YAMAHA YZ125, YAMAHA YZ125

Japanese Webike user

5/5

Recommendation for those who want to stand out

I used it on my WR250F.
I used it with the OEM Ding and it worked fine without any discomfort.
The coloration is quite noticeable and must be cleaned constantly or the stains will stand out. View detail

SUNSTAR

01 Sep 2020

Off Road Use Rear Sprocket STENZ

Japanese Webike user

3/5

What is Stainless Steel's Merit?

I purchased it for KLX250 which is used by the commuter.
This one was mentioned to be a good place for durability and weight.
There's not that much of a difference in weight between the Iron Sprocket and
Also, as long as you use it normally, there is no problem with wear even with Aluminum.
I don't think there is a Merit to choose Stainless Steel due to its plain appearance. View detail

SUNSTAR

24 Aug 2020

Off Road Use Rear Sprocket STENZ

Japanese Webike user

3/5

picking the best of both worlds

I purchased this for the CRF practice vehicle with an emphasis on durability.
I had no complaints other than a particularly unpalatable appearance.
It is necessary to change the Bolt, which is a hassle if I had to say so. View detail

DRC

15 Jul 2020

Dura Rear Sprocket

Japanese Webike user

4/5

I use it for WR.

I use it on my WR250 used in Forest Road Touring Main.
It can be installed with no problem.

It would be funny if it comes off while driving, so I put screw locker on Sprocket's Bolt. Apply. View detail

ISA

14 Jul 2020

Rear Sprocket [Drive Sprocket]

Japanese Webike user

5/5

Generally, I'm satisfied

I bought a 50T for my WR250F, lighter and lighter than the OEM.
Durability has also been experienced with the XR250.
Chain and FSprocket can be replaced at the same time for increased peace of mind.
View detail