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I'm looking to buy a replacement cover on my right brake/gear lever which is a Shimano ST2300.

I've found a 'Shimano Bracket-Cover Hood Dual-Control-Lever R9150/R9170' Road-Bike on AliExpress, but I'm not sure it will fit. What are your thoughts please? Kind regards, James.

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  • You found a solution? I have ST-2303 and I'm considering 3d printing a bracket with leather cover but I want to see if I can avoid that.
    – a2e
    Dec 14, 2021 at 4:38
  • @a2e makes an excellent point - the question is over two years old now. Did you find a solution? What would you tell your younger self?
    – Criggie
    Dec 14, 2021 at 9:20

4 Answers 4

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I appreciate that this post is very old now but for those still searching here is an update. It is just about impossible getting the ST-2300 hoods. However ST-A070/A073 hoods fit perfectly (Shimano Tourney) if you can get hold of them. SJS cycles in the UK stocks them at the time of this message.

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  • 1
    Good information. How did you come to the idea to try ST-A070 hoods?
    – Weiwen Ng
    Mar 7, 2023 at 15:53
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An ST-R9150/R9170 hood is not going to work on an ST-2300 shifter.

R9150/R9170 is Dura Ace DI2 - electronic shifting. This is an ST-R9170 shifter:

enter image description here

ST-2300 looks like this:

enter image description here

Note the significant differences, especially in the "cap" area, where the ST-R9170 hood extends forward over the top end of the shifter, where on the ST-2300 that same area is a hard Shimano logo.

Your best bet is to look for ST-2300 hoods on large online retailer and auction sites...

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  • Thank you for your feedback! I'll keep scouting! Cheers. Sep 19, 2019 at 19:01
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The hoods are one of the under-appreciated wear parts on your bike. Consider that they're polymers, which are known to eventually degrade, in part due to exposure to ultraviolet light. I recently replaced a pair of R8000 hoods after about 3 years of heavy use, and they were starting to slip off my levers. FYI, Shimano calls them bracket covers. Hoods or hood covers should be easily understood at LBSes, at least in the US.

Peter wrote that you can sometimes find a shifter model which uses the same hoods. This will require some inside knowledge on the part of yourself, a mechanic, or some helpful person on a forum. For example, R8000 and R7000 can share hoods, but not with R9100. Furthermore, the hydraulic brake + mech shifting levers can't share hoods with the rim brake + mech shifting levers, or the Di2 + hydraulic levers, etc. For Campagnolo, in the 2000s, all the 10s levers would share the same hood, and I think the same was true for all 9s levers. But things diverged a bit since then, especially with the introduction of hydraulic brakes, plus the introduction and then withdrawal of Potenza and Athena.

Aside from searching eBay or AliExpress for original replacements, you can be open to the possibility of third party replacements. For example, ODI Grips has the Hudz lineup of replacement hoods for some shifters (e.g. Shimano 7900 and earlier, two versions of Campy). I believe these were regarded as decent.

If you search AliExpress, you may also find low-cost third party manufacturers of hoods for older levers. I found at least one listing for ST-2300/3400 hoods. Especially with the stuff on AliExpress, it's possible the quality won't be as good as the original part, or they won't fit as tightly - that's not a reflection on mainland China per se, but that in making cheap replacements, something has to give, and tolerances and material quality are two good bets. Returns may also be logistically more challenging.

In any case, at some point, finding third party replacements may be your only option, as manufacturers may eventually discontinue production. For example, I unsuccessfully searched for replacement hoods for Dura Ace 7400 and 7700 levers. Yes, these are old, with 7700 going out of service in 2004. However, they were the top of the line group. There wasn't an obvious listing for OEM 7970 hoods (first generation Dura Ace Di2), although I did see one for 6870 hoods (first generation Ultegra Di2).

As a related anecdote, I found replacement pads for the interior of an older Giro model on Amazon.com. This was the Giro Prolight, probably made around 2014, but I shopped for the replacement pads in 2018 when they'd discontinued the pads. At the time, I didn't realize the difference between OEM material and third party manufacturers. I think that for this ad, it was clear, but sometimes the ads are misleading or at least not clear. Anyway, they did fit the helmet, but they were much thicker than the original pads. They were tolerably decent.

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I found these online that I’m going to try, only place I can find them AliExpress. Check it out! AU$31.99 | Road bike ST-2300 ST-3400 Dual Control Lever parts bracket cover 2300 3400 Bracket Covers Shift Hoods https://a.aliexpress.com/_mKbF8sE

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