SKU: 55824585332

Shimano RX100 (SL-A550) NOS Classic Braze-On Downtube Shifters

Sale price$82.76 Regular price$91.95
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Description

Shimano RX100 (SL-A550) NOS Classic Braze-On Downtube ShiftersOriginal shifters produced in the 1990s New old stock! Still unused after all these years Worldwide shipping Shimano RX100 down tube shifters (or gear levers if you prefer), hailing from Japan and in production during the 1990s (yet still new & unused after all this time). Made from aluminium plastic and weighing in at 75 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike. OVERVIEW Condition New

✓ Original shifters - produced in the 1990s
✓ New old stock! Still unused after all these years
✓ Worldwide shipping

Shimano RX100 down tube shifters (or gear levers if you prefer), hailing from Japan and in production during the 1990s (yet still new & unused after all this time). Made from aluminium/plastic and weighing in at 75 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.

OVERVIEW


Condition - New Old Stock*
Model ID - SL-A550
Production Era - 1990s
Country - Japanese
Material - Aluminium / Plastic
Weight - 75 g
Stock Code - D-G3-S-B160C

*New old stock items may have marks from storage over the years, and as we often have multiples they can vary from piece to piece, but they are always genuine new & unused items.

TECHNICAL INFO


Fixing Type - Braze-On
Shift Type - Shimano SIS, Friction
Speed* - 7 Speed
Shifter Boss Type - Standard (ISO / Campagnolo)
Boss Thread Size - M5 / 5 mm (Standard)

*See help section.

SHIPPING, TAXES & RETURNS

We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.

We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.

EU Customers – for orders under €150 (excluding shipping), VAT will be collected at checkout, but from 1st July 2026, due to new EU import regulations, there may also be a customs duty payable to the carrier. For orders over €150, all import fees will be payable to the carrier, with nothing collected at checkout.

USA Customers – import fees are now collected at checkout for all orders to the US, so there won’t be any surprise charges when your order arrives.

Other International Customers – local import fees may still apply, charged by your customs office or courier before delivery. These are not collected by us, so please check your local rates before purchasing.

Any applicable fees will appear at checkout.

SAFETY & COMPLIANCE
This product complies with the EU General Product Safety Regulation (GPSR). Professional installation and regular inspections are recommended. Due to the product's age, extra care should be taken during use.

Product Manufacturer - Shimano Inc. 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan

EU Authorised Representative - Global Trade Department NI Ltd, Office 834, Unit 6, 100 Lisburn Road, Belfast BT9 6AG, Northern Ireland

HELP SECTION

Fixing Type - if you have small mounts on either side of the frame’s down tube you need braze-on shifters, if there are no mounts you’ll need clamp-on (sometimes referred to as band-on). Some 'aero' frames have mounts fixed to the top of the down tube, for these frames you require top mount shifters for the correct boss type (see below). There are also 'Clamp-Over' shifters that allow front & rear shifters to be used on a frame that only has a single braze-on.

Shift Type - friction shifters don't click into gear when you change, when they do click it's referred to as indexed shifting. For this to work correctly you must use the same system as your rear derailleur, if you're using friction levers you can mix and match. You don't need to worry about the front derailleur as left downtube shifters aren't indexed.

Speed - the number of cogs at the back the right shifter is designed to be used with. This is important with indexed shifting but with friction shifters you can in theory run any shifters with any speed setup, although the right lever will need to be pulled back further to shift into the larger cogs.

Shifter Boss Type - the shape of the mount (for braze-on fixings only). Campagnolo / ISO is standard and easily identified by the flat sections on either side, usually combined with a square base for the backing stop plates to fit. There are also Shimano ones with a keyhole shaped base and much less common French ones that are round with no flat sections.

Boss Thread Size - M5 (5 mm) is standard for Campagnolo / ISO bosses, but Shimano bosses will often have M4.5 (4.5 mm) threads and the French bosses would likely have 5 x 1 mm threads.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55824585332

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4.4 ★★★★★
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K
Verified Purchase
K. Searfos
Natrona Heights, US
★★★★★ 3
Seems like a decent product, but it's not for me
First off, a small caveat: this is the first manual grinder I have used. I am trying to highlight things I think might be unique to this model, but some of these might be "that's just how manual grinders work" problems. First and foremost, I can only cram about 20g of coffee into here at one time. If I'm making an 8oz cup, that tends to be enough -- but no larger than that. I also find it hard to load; last time I tried to just pour beans in most of them ended up on the floor. One scoop at a time is annoying if you are adding 20 grams of coffee, especially if you use a small scoop. Also, I personally dislike that the body that holds the unground beans is opaque. I have to turn the thing upside down to determine if I have more left in there to grind or not. This is likely the same for other models but I don't think it makes for an ideal user experience. Now, on the upside, it's compact, easy to use, and easy to clean. I don't know how to gauge the accuracy or consistency of the grind, but it seems to produce a somewhat finer grind than my electric burr grinder at what I would expect to be the same setting (20/40 on here is more fine than 14/28 on the other grinder, even though I would expect both of those to be "medium"). I'm someone who prefers slightly coarser grind, even for pour over, so this is another strike against it in my book. I have only used it two or three times due to usually making larger cups that this can accommodate, and also not enjoying spending 5 minutes rotating my arms to get the coffee ground. So I also cannot speak to durability, but the plastic and glass both seem sturdy so I do expect it to last. All in all, I love that it is lightweight, portable, and easy to clean, but I think I'm someone who prefers the ease of use that an electronic grinder can provide. And seriously, IDK how anyone is getting more than 20g of coffee into this thing at one time.
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Reviewed in the United States on January 6, 2026
G
Verified Purchase
Gabriel marin
Massapequa, US
★★★★★ 5
Perfect for Lattes
Size: 20 Ounces
Good for steaming 8-10 oz of milk. The nifty tool is good for scooping out your puck.
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Reviewed in the United States on February 19, 2026
J
Verified Purchase
JeffTryHard
Massapequa, US
★★★★★ 5
Almost blew up my microwave
Size: 20 Ounces, Size: 20 Ounces
TL;DR "A hilarious microwave mistake turned into a great home cafe upgrade. This 20oz cup is straightforward to handle, looks incredibly professional, and holds a level of heat that will literally burn you if you aren't careful." . Bought this for homemade coffee brewing, just to spice things up. But as I go ahead to heat up my new shiny stainless steel milk frother cup in the microwave, whoopdy doo. Ya can’t put stainless in the microwave! Regardless, it’s still a straightforward frother cup to handle, making it a great dollar investment for upgrading my home cafe setup. . 1. Spotless Stainless Steel: Its sleek appearance made me feel professional in the hands of an amateur like moi. Great quality! 2. Temperature Retention: I accidentally burnt myself because it stayed so hot, but that is a major positive. Proving the insulation works perfectly and keeps the milk piping hot. 3. Size: The 20oz capacity is accurate, providing the perfect amount of space for frothing without any overflow.
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Reviewed in the United States on June 6, 2026
K
Verified Purchase
Kayla
Boise, US
★★★★★ 5
Sturdy
Size: 20 Ounces
Great pitcher
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Reviewed in the United States on January 20, 2026
Q
Verified Purchase
Q Nguyen
Pawtucket, US
★★★★★ 4
Decent pitcher
Size: 11.8 Ounces
Smaller than expected. I frothed 5 oz of milk and it was almost a mess.
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Reviewed in the United States on October 16, 2025

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