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Shimano Altus Vintage Rear Derailleur RD-M310 Long Reach 7 Speed SIS USA Shipper

Unbroken Chain Cycles
(20278)
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US $29.40
or Best Offer
Was US $63.99 (54% off)What does this price mean?
Recent sales price provided by the seller
Condition:
For parts or not working
“This has been used! PLEASE LOOK AT THE PHOTOS AND AD TEXT FOR COMPLETE CONDITION DESCRIPTION! Sold ”... Read moreabout condition
Breathe easy. Returns accepted.
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Shipping:
US $9.99 USPS Ground Advantage®.
Located in: Madison, Wisconsin, United States
Delivery:
Estimated between Thu, Oct 30 and Mon, Nov 3 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
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eBay item number:256892517122
Last updated on Oct 25, 2025 14:27:47 PDTView all revisionsView all revisions

Item specifics

Condition
For parts or not working
An item that does not function as intended and is not fully operational. This includes items that are defective in ways that render them difficult to use, items that require service or repair, or items missing essential components. See the seller’s listing for full details. See all condition definitionsopens in a new window or tab
Seller Notes
“This has been used! PLEASE LOOK AT THE PHOTOS AND AD TEXT FOR COMPLETE CONDITION DESCRIPTION! Sold ...
Compatible Brand
Shimano
Color
Black
Material
Aluminum, Steel
Set Includes
Derailleur (Rear)
MPN
RD-M310
Mounting Type
Hanger
Number of Speeds
7 Speed
Brand
Shimano
Model
Altus
Compatible Bike Type
Universal, Adult Tricycle, Bonanza Bike, Cargo Bike, City Bike, Cross Bike, Gravel Bike, Hardtail Bike, Hybrid Bike, Mountain Bike, Racing Bike, Road Bike, Touring Bike
Country of Origin
Japan
Number of Items
1
Item Weight
348 g
Part Type
Rear Derailleur
Derailleur Cage Length
Long Cage
Category

Item description from the seller

About this seller

Unbroken Chain Cycles

99.8% positive feedback•69K items sold

Joined Sep 2011
Usually responds within 24 hours
For every bicycle we sell we give away two. We are a Bike Shop in Madison, WI. Contact us at 608-4718971. 2018 and 2019 eBay Shine Awards winner! A portion of the profits from every item supports ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.9
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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ForksFramesProject bikesAccessories, Bar tape, gripsPendletonWheelsBicycle Apparel and ShoesWatchesStems

Seller feedback (20,841)

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  • e***e (110)- Feedback left by buyer.
    Past month
    Verified purchase
    Nothing but positive things seller shipped my item the very next day with a photo of the item invoice usually when I order parts it's shipped out days later. The seller takes a lot of good photos and measures the sizes of the item so u definitely get what u ordered , item was well packed so no damage during the long trip to Hawaii and when I sent him a message he imediately responded back ! I will definitely order from this seller again!
    Cruiser Bicycle Handlebar 22.2mm 71cm 7" Rise Recumbent Steel Fast USA Shipper:) (#267404452177)
  • a***k (193)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Shipping was reasonable, packaging was a bit messed up and had a hole at the bottom of the box and only 1 nut fell out, hopefully that was the only thing that fell. I cleaned and organized everything and doesn't seem to be missing a nut so maybe it was extra. Description was exact. Value is amazing and definitely the best bicycle shop ever, ebay or not you guys are so awesome!
    Reply from: unbroken_chain_cycles- Feedback replied by seller unbroken_chain_cycles.- Feedback replied by seller unbroken_chain_cycles.
    Glad it worked out!!
    1977 Fuji Del Rey Road Bike Small 54cm Chromoly Steel Suntour ARX GT USA Shipper (#256967858175)
  • 5***c (127)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Shipping and packaging was impressive, because not only was it well padded and completely wrapped; but there were zip ties securing individual rings and caps along the body. The item was exactly as described and identical to the photos posted; so this was definitely a great find and value to my little project, because these older forks are hard to find. I will definitely be a repeat customer when it comes to finding "hard to find" parts for bike rebuilds or upgrades. Thanks and definitely A++...
    SR Suntour M2025 Suspension Fork 27.5" 11/8" Threadless 260mm V-Brake Ships Fast (#267367803734)
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Product ratings and reviews

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4.9
121 product ratings
  • 109 users rated this 5 out of 5 stars
  • 10 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 86 reviews
  • by xrilander
    Jun 26, 2022Top favorable review

    Correct chain length for proper operation

    Those complaining about chain slop, ghost shifting, and a weak spring, might need to replace or shorten your chain. I have a 28/38/48 triple crankset, with an 11-28 8 speed cassette. Chain has been shortened to 112 links. The cage should be slightly less than vertical in the mid range position on both the crankset and cassette. Select 4th gear on your cassette, with the middle chainring on the crank. Shorten the chain accordingly to achieve the correct tension.

    Verified purchase: YesCondition: NewSold by: human_oriented

  • by jonabar_243
    Aug 08, 2024

    This is a very nice shifter, and a relie...

    This is a very nice shifter, and a relief to replace my old one! The old unit was slightly bent out of shape, and had a lot of rust and wear on it. The new one fits perfectly in place and moves very smoothly. Same part, genuine Shimano Altus.

    Verified purchase: YesCondition: NewSold by: wheelandsprocket

  • by unanimous
    Apr 28, 2016

    Nicely made basic RD with really big 13T and 15T pulleys

    Do a web search for RD-310 specifications before bidding. My application is 2x8 speed road bike use, and the 13T & 15T big pulleys on this derailleur are good for my application. But the medium cage 65mm may not be suitable for your really wide range 3x8 or 3x7 MTB bikes that have large tooth count differences. Product came well greased and ready for install. I like it.

    Verified purchase: YesCondition: Pre-OwnedSold by: random.bike.parts

  • by badnova27-0
    Jul 13, 2021

    Atlas derailleur

    This is the second Atlas derailleur I've bought one on my first bike I built and the second one is on my second bike I built. Easy today install easy to adjust they work great love it

    Verified purchase: YesCondition: NewSold by: ronde-cycling

  • by tershoe0
    Nov 12, 2021

    Great quality derailleur

    Was a perfect fit for my Aventon Pace 500 bike. Shifts smoothly between gears. Was easy installation as well, my husband didn't have issues with the chain. Great derailleur!

    Verified purchase: YesCondition: NewSold by: kyles-bikes

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