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Product description

Designed for replacing your 12-speed derailleur on your mountain bike.

Rear derailleur for AM and XC mountain bikes equipped with SRAM EAGLE 12-speed drivetrain making riding even easier. *This is a workshop part, we do not supply a SRAM box or a B gap tool

ROCKRIDER

Rear Derailleur 12-Speed SRAM NX Eagle

49.500 KD

4.11/5

18 reviews

4.11/5

18 reviews

Sizes Guide

MEN SIZE GUIDE 

 

How to measure:

  • Head size: Wrap a tape measure horizontally around your head just below your eyebrows.
  • Chest size: Wrap a tape measure horizontally around the widest part of your chest.
  • Waist size: Wrap a tape measure horizontally around the widest part of your waist.
  • Hand size: Wrap a tape measure horizontally around your hand, starting from your thumb.
  • Shoe size: Place your heels flush against a wall. Place a heavy object (such as a book) against your toes. Measure the distance between the wall and the object.

TOPS (T-SHIRT, PULLOVER, JACKET)
 Size XS S M L XL 2XL 3XL 4XL
Chest (cm) 84-87 88-91 92-95 96-103 104-113 114-123 124-135 136-146

 

BOTTOMS (SHORTS, PANTS, BOARDSHORTS)
 Size XS S M L XL 2XL 3XL
Hips (cm) 84-86  87-91  92-97 98-104 105-111 112-118 119-126

 

SWIMWEAR
 Size S M M-L L L-XL XL XL-2XL 2XL
Hips (cm) 84-87 88-91 92-95 96-103 104-113 114-123 124-135 136-146

 

WOMEN SIZE GUIDE

 

How to measure:

  • Head size: Wrap a tape measure horizontally around your head just above your eyebrows.
  • Chest size: Wrap a tape measure horizontally around the widest part of your chest.
  • Band size: Wrap a tape measure horizontally around your torso just below your breasts.
  • Waist size: Wrap a tape measure horizontally around the widest part of your waist.
  • Hip size: Wrap a tape measure horizontally around the largest part of your hips.
  • Hand size: Wrap a tape measure horizontally around your hand, starting from your thumb.
  • Shoe size: Place your heels flush against a wall. Place a heavy object (such as a book) against your toes. Measure the distance between the wall and the object.
    TOPS (T-SHIRT, PULLOVER, JACKET)
    Size 3XS 2XS XS S M M-L L L-XL XL XL-2XL 2XL
    Chest (cm) 76-79 80-83 84-87 88-91 92-95 96-99 100-103 104-107 108-113    114-118 119-123
     
    BOTTOMS (SHORTS, PANTS)
     Size 3XS 2XS XS S M L XL 2XL 3XL
    Hips (cm) 81-85 86-90 91-96 97-102 103-108 109-114  115-120 121-128 129-136

     

    BRA
    Size 70A 70B 70C 70D 75A 75B 75C 75D 75E 80A 80B 80C 80D 80E 85B 85C 85D 85E
    Chest size (cm) 80-86 80-86 80-86 80-86 86-92 86-92 86-92 86-92 86-92 92-100 92-100 92-100 92-100 92-100 100-106 100-106 100-106 100-106

     

    SWIMWEAR
    Size XS S M M-L L L-XL XL XL-2XL 2XL
    Hips (cm) 90-93 94-97 98-101 102-105 106-109 110-113 114-119 120-125 126-131

     

    KIDS SIZE GUIDE

     

     

    How to measure:

    • Clothing size: Stand upright and place your bare heels flush against a wall. Measure the distance between the bottom of your foot and the top of your head.
    • Head size: Wrap a tape measure horizontally around your head just above your eyebrows.
    • Hand size: Wrap a tape measure horizontally around your hand, starting from your thumb.
    • Shoe size: Place your heels flush against a wall. Place a heavy object (such as a book) against your toes. Measure the distance between the wall and the object.

     

      APPAREL
      Age 3 Months 6-9 Months 9-12 Months 18 Months 2 Years 3 Years 4 Years 5 Years 6 Years 8 Years 10 Years 12 Years 14 Years
      Height (cm) 56-63 64-70 71-76 77-82 83-89 90-97 98-104 105-114 115-124 125-132 133-142 143-152 153-162

       

      SHOES SIZE GUIDE

      MEN SHOES
      US Size 6.5 7 7.5 7.5 8 8.5 9 9.5 9.5 10 10.5 11 11.5 11.5 12 12.5 13
      EU Size 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 46 46.5 47
      Foot Length (in) 9 1/2 9 3/4 10 10 10 1/4 10 1/2 10 1/2 10 1/2 10 3/4 10 3/4 11 11 1/4 11 1/4 11 1/2 11 1/2 11 1/2 11 3/4

       

      WOMEN SHOES
      US Size 4 4.5 5 5.5 5.5 6 6.5 7 7.5 7.5 8 8.5 9 9 9.5 10 10.5
      EU Size 34 34.5 35 35.5 36 36.5 37 37.5 38 38.5 39 39.5 40 40.5 41 41.5 42
      Foot Length (in) 8 1/2 8 1/2 8 1/2 8 3/4 8 3/4 9 9 1/4 9 1/4 9 1/2 9 1/2 9 1/2 9 3/4 10 10 10 1/4 10 1/2 10 1/2

       

      KIDS SHOES
      US Size 4.5C 5C 5.5C 6C 7C 7.5C 8.5C 9C 10C 11.5C 12.5C 13C 1 2 2.5 3.5 4 5
      EU Size 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
      Foot Length (in) 4 3/4 5 5 1/4 5 1/2 5 3/4 6 6 1/4 6 1/2 6 3/4 7 7 1/4 7 1/2 7 3/4 8 8 1/4 8 1/2 8 3/4 9 1/4

       

      GEAR SIZE GUIDE

      KIDS BIKES
      Bike size 12" 14" 16" 20" 24"
      Kids height (cm) 75-​90 90-​105 105-120 120-135 135-155
      kids height (ft) 2'5'' - 3' 3' - 3'5'' 3'5'' - 3'11'' 3'11''- 4'5'' 4'5'' - 5'1''

       

      ROAD BIKES
      Bike size 48 (XS) 51 (S) 54 (M) 57 (L) 60 (XL)
      Your height (cm) 135-150 150-165 165-176 176-184 184-195

       

      MOUNTAIN BIKES
      Bike size XS S M L XL
      Your height (cm) 135-150 150-165 165-176 176-184 184-195

       

      SKIS
      Ski size 115-130 125-140 130-145 135-150 135-155 145-165 150-170 155-175 160-180 165-185 170-190 175-195 180-200
      Your height (cm) 132 137 142 147 152 158 163 168 173 178 183 188 193

       

      SNOWBOARDS
      Snowboard size 128-136 133-141 139-147 144-152 149-157 154-162 159-167 160+ 160+ 160+
      Your height (cm) 147 152 158 163 168 173 178 183 188 193
      Your weight (lb) 50-55 55-60 60-65 65-70 70-75 75-80 80-85 85-90 90-95 95-100

       

      ACCESSORIES SIZE GUIDE

      KIDS GLOVES
      Glove size 4 Years 6 Years 8 Years 10 Years 12 Years 14 Years
      Hand size (cm) 13.9-14.9 14.9-15.9 15.9-16.9 16.9-17.8 17.8-18.6 18.6-19.5

       

      ADULT GLOVE
      Glove size XS S M L XL 2XL 3XL
      Hand size (cm) 20.3-20.8 20.9-21.4 21.5-22.1 22.2-22.7 22.8-23.4 23.5-24 24.1-24.7

       

      BOXING GLOVES
      Glove size 6oz 8oz 10oz 12oz 14oz
      Your weight (lb) 77-99 99-143 143-172 172-198 >198
      Color : Unique
      Size: Unique size
      Ref: 8538596
      In stock

      Product description

      Designed for replacing your 12-speed derailleur on your mountain bike.

      Rear derailleur for AM and XC mountain bikes equipped with SRAM EAGLE 12-speed drivetrain making riding even easier. *This is a workshop part, we do not supply a SRAM box or a B gap tool
      Description

      Designed for replacing your 12-speed derailleur on your mountain bike.

      Technical specifications

      ROLLER BEARING CLUTCH™ : for greater robustness and performance SRAM X-HORIZON™ design The CAGE LOCK™ guarantees superior sturdiness Maximum number of teeth on cassette: 50 teeth Jockey wheel: 14 teeth EAGLE gives you quiet precision Weight: 339 g

      Assembly tips

      When replacing your derailleur, check the conditions of the cables, and if they are frayed or oxidised, we recommended you replace them. Check the derailleur hanger is properly aligned to perform adjustments. Replace it or true it if necessary.

      Maintenance tips:

      Clean your derailleur with slightly warm soapy water. Do not use grease remover products that damage plastics.

      Need any help?

      The technicians at your Decathlon store are at your service to help you replace your bike parts. Feel free to ask them for help!

      Rear derailleur for AM and XC mountain bikes equipped with SRAM EAGLE 12-speed drivetrain making riding even easier. *This is a workshop part, we do not supply a SRAM box or a B gap tool

      Designed for replacing your 12-speed derailleur on your mountain bike.

      Designed for replacing your 12-speed derailleur on your mountain bike.

      Technical specifications

      ROLLER BEARING CLUTCH™ : for greater robustness and performance SRAM X-HORIZON™ design The CAGE LOCK™ guarantees superior sturdiness Maximum number of teeth on cassette: 50 teeth Jockey wheel: 14 teeth EAGLE gives you quiet precision Weight: 339 g

      Assembly tips

      When replacing your derailleur, check the conditions of the cables, and if they are frayed or oxidised, we recommended you replace them. Check the derailleur hanger is properly aligned to perform adjustments. Replace it or true it if necessary.

      Maintenance tips:

      Clean your derailleur with slightly warm soapy water. Do not use grease remover products that damage plastics.

      Need any help?

      The technicians at your Decathlon store are at your service to help you replace your bike parts. Feel free to ask them for help!

      Rear derailleur for AM and XC mountain bikes equipped with SRAM EAGLE 12-speed drivetrain making riding even easier. *This is a workshop part, we do not supply a SRAM box or a B gap tool

      Designed for replacing your 12-speed derailleur on your mountain bike.

      HOME DELIVERY

      2 - 4 DAYS

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