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Shimano Altus RD-M310-L Rear Bicycle Derailleur Long (SGS) 7 / 8 / 6 Speed
Bicycle Derailleurs

Shimano Altus RD-M310-L Rear Bicycle Derailleur Long (SGS) 7 / 8 / 6 Speed Code: ERDM310DL

Lightweight and updated, the RD-M310 derailleur from Shimano's Altus series is designed for 7 or 8-speed systems. It is ideal for cyclists who want a derailleur that performs equally well on the...

Lightweight and updated, the RD-M310 derailleur from Shimano's Altus series is designed for 7 or 8-speed systems. It is ideal for cyclists who want a derailleur that performs equally well on the mountain and for a ride in the city. It features a large cog for durability and reliable shifting.

See full description
  • Bicycle Mountain, Trekking, City

  • Speeds

    Select based on the number of gears on your bike's rear cassette. An 11-speed drivetrain may not be compatible with a 6-speed system and vice versa.

  • Mount

    To choose based on mounting type, check how your old derailleur is attached to the bicycle frame. Rear derailleurs may have Standard or Direct Mount types, while front derailleurs may have Clamp-on, Braze-on, or Direct Mount types.

    Direct Mount

    For Rear Derailleurs, it screws directly onto the frame (common in newer Shimano models), while for Front Derailleurs, it uses special mounting brackets that screw directly onto the frame.

  • Cage Length

    The cage length determines how much "excess" chain the derailleur can take up, depending on your gears.

    Long (SGS)

    Necessary for mountain bikes (MTB) with very large cassettes (e.g. 11-42T, 10-51T) or for systems with 3 front chainrings.
  • See all
Product report

Description

Description

Lightweight and updated, the RD-M310 derailleur from Shimano's Altus series is designed for 7 or 8-speed systems. It is ideal for cyclists who want a derailleur that performs equally well on the mountain and for a ride in the city. It features a large cog for durability and reliable shifting.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
ERDM310DL

Product Details

Placement
Rear
Usage
Mountain, Trekking, City

Technical Specifications

Number of Gears
7, 8, 6

Number of Gears

Select based on the number of gears on your bike's rear cassette. An 11-speed drivetrain may not be compatible with a 6-speed system and vice versa.
Cage Length
Long (SGS)

Cage Length

The cage length determines how much "excess" chain the derailleur can take up, depending on your gears.

Long (SGS)
Necessary for mountain bikes (MTB) with very large cassettes (e.g. 11-42T, 10-51T) or for systems with 3 front chainrings.
Mount Type
Direct Mount

Mount Type

To choose based on mounting type, check how your old derailleur is attached to the bicycle frame. Rear derailleurs may have Standard or Direct Mount types, while front derailleurs may have Clamp-on, Braze-on, or Direct Mount types.

Direct Mount

For Rear Derailleurs, it screws directly onto the frame (common in newer Shimano models), while for Front Derailleurs, it uses special mounting brackets that screw directly onto the frame.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (6)

Reviews

3.5
6
3.5
Review this product
  1. 3
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 2
Review this product

Reviews photos

Reviews photos
Reviews photos
Reviews photos

Reviews by our members

  • XMspeed80021
    5
    1 out of 1 members found this review helpful
    XMspeed80021
    Expert user

    Very good gearbox! The gear shifts are done quietly and one by one with the upgrade I made to the gear levers with the switches from those that look like a motorcycle that engaged at the 4th click. It really is worth it for the 7 I have.

    Translated from Greek ·
    Did you find this review helpful?
  • Giannis_Michailidis6607
    1
    2 out of 6 members found this review helpful
    Giannis_Michailidis6607

    The gearbox is not for 8 speeds!!! At first, it worked perfectly, but after 3-4 months, it wouldn't shift into certain gears. I took it to a bike shop and we discovered that it was bent. Even though I rode it on the mountain, I took good care of it and didn't hit it anywhere. After this, I come to today when I tried to shift into first gear and it got tangled in the spokes. I don't care about the 20 euros, I just wish the spoke hadn't bent, as I would need to spend another 100 euros for a new one. Luckily, my spoke is of good quality, but the gearbox snapped in half as you can see in both pictures

    Translated from Greek ·
    Did you find this review helpful?
  • stgeo
    5
    2 out of 2 members found this review helpful
    stgeo

    Verified purchase

    Excellent for entry-level gear.
    Smooth, quiet, and fast shifts in 21 speeds, a cheap bike. It is indeed noticeably better than the TZ-500 that it replaced due to damage.

    Translated from Greek ·
    Did you find this review helpful?
  • Jim_Kalogiannis
    4
    2 out of 2 members found this review helpful
    Jim_Kalogiannis

    The best you will find at its price for a cheap bicycle. I have had it for 3 years and it has endured difficulty and impacts and works perfectly.

    Translated from Greek ·
    Did you find this review helpful?
  • 1
    Νικόλα Σεφερι

  • 5
    georgevarsos

    Verified purchase

  • XMspeed80021
    5
    XMspeed80021

    Very good gearbox! The gear shifts are done quietly and one by one with the upgrade I made to the gear levers with the switches from those that look like a motorcycle that engaged at the 4th click. It really is worth it for the 7 I have.

    Translated from Greek ·
    1
  • Giannis_Michailidis6607
    1
    Giannis_Michailidis6607

    The gearbox is not for 8 speeds!!! At first, it worked perfectly, but after 3-4 months, it wouldn't shift into certain gears. I took it to a bike shop and we discovered that it was bent. Even though I rode it on the mountain, I took good care of it and didn't hit it anywhere. After this, I come to today when I tried to shift into first gear and it got tangled in the spokes. I don't care about the 20 euros, I just wish the spoke hadn't bent, as I would need to spend another 100 euros for a new one. Luckily, my spoke is of good quality, but the gearbox snapped in half as you can see in both pictures

    Translated from Greek ·
    2
  • stgeo
    5
    stgeo

    Excellent for entry-level gear.
    Smooth, quiet, and fast shifts in 21 speeds, a cheap bike. It is indeed noticeably better than the TZ-500 that it replaced due to damage.

    Translated from Greek ·
    2
  • Jim_Kalogiannis
    4
    Jim_Kalogiannis

    The best you will find at its price for a cheap bicycle. I have had it for 3 years and it has endured difficulty and impacts and works perfectly.

    Translated from Greek ·
    2
  • 1
    Νικόλα Σεφερι

    0
  • See all

Description & Specifications

Lightweight and updated, the RD-M310 derailleur from Shimano's Altus series is designed for 7 or 8-speed systems. It is ideal for cyclists who want a derailleur that performs equally well on the mountain and for a ride in the city. It features a large cog for durability and reliable shifting.

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
ERDM310DL

Product Details

Placement
Rear
Usage
Mountain, Trekking, City

Technical Specifications

Number of Gears
7, 8, 6

Number of Gears

Select based on the number of gears on your bike's rear cassette. An 11-speed drivetrain may not be compatible with a 6-speed system and vice versa.
Cage Length
Long (SGS)

Cage Length

The cage length determines how much "excess" chain the derailleur can take up, depending on your gears.

Long (SGS)
Necessary for mountain bikes (MTB) with very large cassettes (e.g. 11-42T, 10-51T) or for systems with 3 front chainrings.
Mount Type
Direct Mount

Mount Type

To choose based on mounting type, check how your old derailleur is attached to the bicycle frame. Rear derailleurs may have Standard or Direct Mount types, while front derailleurs may have Clamp-on, Braze-on, or Direct Mount types.

Direct Mount

For Rear Derailleurs, it screws directly onto the frame (common in newer Shimano models), while for Front Derailleurs, it uses special mounting brackets that screw directly onto the frame.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (6)

3.5
6
3.5
Review this product
  1. 3
  2. 1
  3. 3 stars
    0
  4. 2 stars
    0
  5. 2
Review this product

Reviews photos

Reviews photos
Reviews photos
Reviews photos

Reviews by our members

  • XMspeed80021
    5
    1 out of 1 members found this review helpful
    XMspeed80021
    Expert user

    Very good gearbox! The gear shifts are done quietly and one by one with the upgrade I made to the gear levers with the switches from those that look like a motorcycle that engaged at the 4th click. It really is worth it for the 7 I have.

    Translated from Greek ·
    Did you find this review helpful?
  • Giannis_Michailidis6607
    1
    2 out of 6 members found this review helpful
    Giannis_Michailidis6607

    The gearbox is not for 8 speeds!!! At first, it worked perfectly, but after 3-4 months, it wouldn't shift into certain gears. I took it to a bike shop and we discovered that it was bent. Even though I rode it on the mountain, I took good care of it and didn't hit it anywhere. After this, I come to today when I tried to shift into first gear and it got tangled in the spokes. I don't care about the 20 euros, I just wish the spoke hadn't bent, as I would need to spend another 100 euros for a new one. Luckily, my spoke is of good quality, but the gearbox snapped in half as you can see in both pictures

    Translated from Greek ·
    Did you find this review helpful?
  • stgeo
    5
    2 out of 2 members found this review helpful
    stgeo

    Verified purchase

    Excellent for entry-level gear.
    Smooth, quiet, and fast shifts in 21 speeds, a cheap bike. It is indeed noticeably better than the TZ-500 that it replaced due to damage.

    Translated from Greek ·
    Did you find this review helpful?
  • Jim_Kalogiannis
    4
    2 out of 2 members found this review helpful
    Jim_Kalogiannis

    The best you will find at its price for a cheap bicycle. I have had it for 3 years and it has endured difficulty and impacts and works perfectly.

    Translated from Greek ·
    Did you find this review helpful?
  • 1
    Νικόλα Σεφερι

  • 5
    georgevarsos

    Verified purchase

  • XMspeed80021
    5
    XMspeed80021

    Very good gearbox! The gear shifts are done quietly and one by one with the upgrade I made to the gear levers with the switches from those that look like a motorcycle that engaged at the 4th click. It really is worth it for the 7 I have.

    Translated from Greek ·
    1
  • Giannis_Michailidis6607
    1
    Giannis_Michailidis6607

    The gearbox is not for 8 speeds!!! At first, it worked perfectly, but after 3-4 months, it wouldn't shift into certain gears. I took it to a bike shop and we discovered that it was bent. Even though I rode it on the mountain, I took good care of it and didn't hit it anywhere. After this, I come to today when I tried to shift into first gear and it got tangled in the spokes. I don't care about the 20 euros, I just wish the spoke hadn't bent, as I would need to spend another 100 euros for a new one. Luckily, my spoke is of good quality, but the gearbox snapped in half as you can see in both pictures

    Translated from Greek ·
    2
  • stgeo
    5
    stgeo

    Excellent for entry-level gear.
    Smooth, quiet, and fast shifts in 21 speeds, a cheap bike. It is indeed noticeably better than the TZ-500 that it replaced due to damage.

    Translated from Greek ·
    2
  • Jim_Kalogiannis
    4
    Jim_Kalogiannis

    The best you will find at its price for a cheap bicycle. I have had it for 3 years and it has endured difficulty and impacts and works perfectly.

    Translated from Greek ·
    2
  • 1
    Νικόλα Σεφερι

    0
  • See all
20,50 €
14,00 €   shipping cost