Shimano XT FC-M780 / FC-T780 / FC-T781 10-speed Chainring

Item number: 32519
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Shimano XT FC-M780 / FC-T780 / FC-T781 10-speed Chainring - black-silver/42 tooth
Shimano XT FC-M780 / FC-T780 / FC-T781 10-speed Chainring - black-silver/32 tooth
Shimano XT FC-M780 / FC-T780 / FC-T781 10-speed Chainring - silver/24 tooth
Shimano XT FC-M780 / FC-T780 / FC-T781 10-speed Chainring - black/36 tooth
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The Shimano XT 10-speed chainring for the FC-M780 crankset


This Shimano 10-speed XT chainring is compatible with the FC-M780 cranks, but also with the FC-T780 or FC-T781 City & Touring cranks, depending on the model. With its 104 mm or 64 mm bolt circle diameter it can be used for different 3x gradations. The SG-X tooth profile ensures smooth and quiet gear changes in the Dyna-Sys 10-speed drivetrain. The chainrings are designed to work optimally with the other front components (HyperDrive).

Specifications:


Application: Trail, All Mountain, Touring
Mount: 104/64 mm bolt circle diameter, 4-arm
Teeth: 24 t, 32 t, 36 t, 42 t, 44 t, 48 t
Gearing: 3x10-speed

Technical Information:


Combinations: 24-32-42 t, 24-32-44 t, 26-36-48 t
Material: aluminium (24 t + 26 t, 42 t to 48 t), steel-carbon composite (32 t)

Features:


- large chainring anodised, medium and small chainring plated

Note: The FC-T780 with chain guard requires a special chainring.

Technology:


Dyna-Sys:
Dyna-Sys is not only an extra gear. Dyna-Sys is about closer gear ratios for a smoother shifting performance and improved power transfer. It's about riding optimized gear combinations that improve efficiency and durability. Dyna-Sys technology makes the shifting transitions seamless, enabling riders to deliver consistent, efficient power while maintaining traction and momentum.

SG-X
SG-X chainrings constitute a significant technological advance, as they allow extremely smooth shifting even under extreme load. Special tooth profiles, positioning pins and shifting aids allow the front shifting to go as smoothly and easily as you are accustomed from the rear components. SG-X chainrings ensure smoother, quieter and faster shifting.

HyperDrive
Shimano´s front shifting system is based on the HyperDrive concept. The front derailleur, the HG chain and SG-X chainrings work in a coordinated combination to make shifting more reliable, faster and more accurate. Without HyperDrive, problems are quick to appear when shifting on the big chainring, especially when under load. Shimano's HyperDrive system solves those problems. The SG-X chainrings, Wide Link front derailleur and HG chain work together to improve chain control to provide precise and reliable front derailleur shifting that is especially beneficial in severe off-road riding conditions. The chainrings have an exceptionally high torsional stiffness. The tooth profile is specifically shaped to allow the chain to glide in both directions and be picked up smoothly while shifting.

Models:


24 tooth:
- Type: AE
- Compatibility: XT FC-T781, can also be used for FC-T551, FC-M770-10, FC-M660-10
- Bolt Circle Diameter: 64 mm
- Factory Number: Y-1MM24000

32 tooth:
- Type: AE
- Compatibility: XT FC-M780, FC-T781, FC-M770-10, can also be used for FC-M980, FC-T551, FC-M660-10
- Bolt Circle Diameter: 104 mm
- Note: incl. chainring bolts (= B-Type)
- Factory Number: Y-1MM98130

36 tooth:
- Type: AL
- Compatibility: XT FC-T780, FC-T781, FC-T8000 / SLX FC-M670 / LX FC-T671, also fits FC-T551
- Bolt Circle Diameter: 104 mm
- Factory Number: Y-1MP98020

42 tooth:
- Type: AE
- Compatibility: XT FC-M780, also fits FC-T551, FC-M770-10, FC-M660-10
- Bolt Circle Diameter: 104 mm
- Factory Number: Y-1MM98110

44 tooth:
- Type: AE
- Compatibility: XT FC-T781, also fits FC-T551
- Bolt Circle Diameter: 104 mm
- Factory Number: Y-1MP98030

48 tooth (FC-T780):
- Type: AL
- Compatibility: XT FC-T780, can also be used for FC-T781, FC-T551
- Bolt Circle Diameter: 104 mm
- Factory Number: Y-1MN98010

48 tooth (FC-T781):
- Type: AL
- Compatibility: XT FC-T781, can also be used for FC-T780, FC-T551
- Bolt Circle Diameter: 104 mm
- Factory Number: Y-1MP98050

Note: The 26 tooth chainring for FC-T780 and FC-T781 (Y-1J226000) is identical to the XT chainring FC-M771-K.

Note to Type Designation:


The type designation (one or two characters) help identify the compatibility of various chainrings with other chainrings. An XY chainring should only be combined with another XY chainring. This goes for all other types as well.

Contents:


- 1 x Shimano XT FC-M780 chainring
- 4 x chainring bolts (32 tooth only)


Models:

in stock 2 to 7 days up to 10 days up to 20 days
  • black/36 tooth
    15.96€
  • silver/24 tooth
    9.24€
  • black-silver/32 tooth
    21.00€
  • black-silver/42 tooth
    27.72€
  • black-silver/44 tooth
    22.68€
  • black-silver/48 tooth (FC-T780)
    42.01€
  • black-silver/48 tooth (FC-T781)
    42.01€

Customer Reviews (4)

4.3

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Customer Reviews (4)

4.3/5.0
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Give us your opinion on this product.

by Michalis S.  on 25.08.2016
2 of 2 customers found this review helpful.

This is the second one I buy (36T). I used it first time for my FS MTB as an upgrade going from a 3x (24-32-42T) to a 2x (24-36T).
Although it is a classified as a Trekking one it is also suitable for the FC-M785 cranks (MTB usage is typically heavier than Trecking).

Shifting in front works super between this and the 24 and no other issue except that it was warn out very quickly in my case. In about 1400Km I had to replace it because the chain keeps skidding when pedals are pressed hard, standing on inclines, when in smaller cogs at the back (e.g. 11,13, 15T). I also changed the chain before that which improved things a little but not a remedy. It could be the worn out chain that speed up the Chainring's deterioration though!

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