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Designed to replace the derailleur hanger on your Rockrider mountain bike
Makes your rear derailleur shift smoothly again
Size Guide
| Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 33.1 – 34.3 | 27.6 – 28.7 |
| S | 34.6 – 35.8 | 29.1 – 30.3 |
| M | 36.2 – 37.4 | 30.7 – 31.9 |
| L | 37.8 – 40.6 | 32.3 – 35.0 |
| XL | 40.9 – 44.5 | 35.4 – 39.4 |
| 2XL | 44.9 – 48.4 | 39.8 – 43.7 |
| 3XL | 48.8 – 53.1 | 44.1 – 48.4 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| XS | 31.5 – 33.5 | 26.0 – 28.0 |
| S | 33.9 – 35.8 | 28.3 – 30.3 |
| M | 36.2 – 38.2 | 30.7 – 32.7 |
| L | 38.6 – 40.9 | 33.1 – 35.0 |
| XL | 41.3 – 43.7 | 35.4 – 38.2 |
| 2XL | 44.1 – 46.5 | 38.6 – 41.3 |
| 3XL | 46.9 – 49.6 | 41.7 – 44.5 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.5 – 32.7 | 22.8 – 24.4 |
| XS | 33.1 – 34.3 | 24.4 – 25.6 |
| S | 34.6 – 35.8 | 26.0 – 27.2 |
| M | 36.2 – 37.4 | 27.6 – 28.7 |
| L | 37.8 – 40.6 | 29.1 – 33.1 |
| XL | 40.9 – 44.5 | 33.5 – 37.8 |
| 2XL | 44.9 – 48.4 | 38.2 – 42.5 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.1 – 33.5 | 23.6 – 24.8 |
| XS | 33.5 – 35.4 | 25.2 – 26.8 |
| S | 35.4 – 37.8 | 27.2 – 28.7 |
| M | 37.8 – 40.2 | 29.1 – 31.1 |
| L | 40.2 – 42.5 | 31.5 – 33.9 |
| XL | 42.5 – 44.9 | 34.3 – 36.6 |
| 2XL | 44.9 – 47.2 | 37.0 – 39.4 |
| Size | Bust (in) | Underbust (in) |
|---|---|---|
| 2XS | 30.7 – 31.5 | 24.8 – 26.4 |
| XS | 31.5 – 33.5 | 24.8 – 28.3 |
| S | 33.5 – 35.4 | 26.8 – 30.3 |
| M | 35.4 – 37.4 | 28.7 – 32.3 |
| L | 37.4 – 39.4 | 30.7 – 34.3 |
| XL | 39.4 – 41.3 | 32.7 – 36.2 |
| 2XL | 41.3 – 43.3 | 34.6 – 38.2 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hips: Wrap a tape measure around the fullest part of your hips.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 16.5 – 16.9 | 14.6 – 15.2 | 16.5 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 59.1 | 26.8 – 28.7 | 24.0 – 25.2 | 29.1 – 30.3 |
| 12 – 13 years | 59.4 – 63.0 | 29.1 – 31.5 | 25.6 – 27.2 | 30.7 – 33.1 |
| 14 – 15 years | 63.4 – 67.7 | 31.9 – 34.6 | 27.6 – 29.1 | 33.5 – 35.8 |
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 15.4 – 16.9 | 13.4 – 15.2 | 15.4 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 58.3 | 26.8 – 28.0 | 24.0 – 24.8 | 29.1 – 31.9 |
| 12 – 13 years | 58.7 – 62.6 | 28.3 – 31.9 | 25.2 – 26.4 | 32.3 – 35.0 |
| 14 – 15 years | 63.0 – 65.4 | 32.3 – 33.9 | 26.8 – 28.0 | 35.4 – 36.6 |
Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 6 | 9.6 | 38.5 | 24.5 |
| 6.5 | 9.6 | 39 | 24.5 |
| 7 | 9.8 | 39.5 | 25 |
| 7.5 | 10 | 40 | 25.5 |
| 7.5 | 10 | 40.5 | 25.5 |
| 8 | 10.2 | 41 | 26 |
| 8.5 | 10.4 | 41.5 | 26.5 |
| 9 | 10.4 | 42 | 26.5 |
| 9.5 | 10.6 | 42.5 | 27 |
| 9.5 | 10.8 | 43 | 27.5 |
| 10 | 11 | 43.5 | 27.5 |
| 10.5 | 11 | 44 | 28 |
| 11 | 11.2 | 44.5 | 28.5 |
| 11.5 | 11.2 | 45 | 28.5 |
| 11.5 | 11.4 | 45.5 | 29 |
| 12 | 11.6 | 46 | 29.5 |
| 12.5 | 11.6 | 46.5 | 29.5 |
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 4 | 8.25 | 34 | 20.8 |
| 4.5 | 8.5 | 34.5 | 21.3 |
| 5 | 8.7 | 35 | 22 |
| 5.5 | 8.9 | 35.5 | 22.5 |
| 5.5 | 8.9 | 36 | 22.5 |
| 6 | 9.1 | 36.5 | 23 |
| 6.5 | 9.3 | 37 | 23.5 |
| 7 | 9.3 | 37 | 23.5 |
| 7.5 | 9.4 | 38 | 24 |
| 7.5 | 9.6 | 38.5 | 24.5 |
| 8 | 9.6 | 39 | 24.5 |
| 8.5 | 9.8 | 39.5 | 25 |
| 9 | 10 | 40 | 25.5 |
| 9 | 10 | 40.5 | 25.5 |
| 9.5 | 10.2 | 41 | 26 |
| 10 | 10.4 | 41.5 | 26.5 |
| 10.5 | 10.4 | 42 | 26.5 |
| Women's / Men's US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| W5 / M3.5 | 8.6 | 35 | 21.9 |
| W5.5 / M4 | 8.9 | 36 | 22.5 |
| W6 / M4.5 | 9.1 | 36.5 | 23 |
| W6.5 / M5 | 9.3 | 37 | 23.5 |
| W7 / M5.5 | 9.3 | 37.5 | 23.5 |
| W7.5 / M6 | 9.4 | 38 | 24 |
| W8 / M6.5 | 9.6 | 39 | 24.5 |
| W8.5 / M7 | 9.8 | 39.5 | 25 |
| W9 / M7.5 | 10 | 40 | 25.5 |
| W9.5 / M8 | 10.2 | 41 | 26 |
| W10 / M8.5 | 10.4 | 41.5 | 26.5 |
| W10.5 / M9 | 10.4 | 42 | 26.5 |
| W11 / M9.5 | 10.8 | 43 | 27.5 |
| W11.5 / M10 | 11 | 43.5 | 27.5 |
| W12 / M10.5 | 11 | 44 | 28 |
| W12.5 / M11 | 11.2 | 44.5 | 28.5 |
| W13 / M11.5 | 11.2 | 45 | 28.5 |
| W14 / M12 | 11.6 | 46 | 29.5 |
| W15 / M13 | 11.8 | 47 | 30 |
| W16 / M13.5 | 12 | 48 | 30.5 |
Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.
| US Size | Head (in) |
|---|---|
| 2XS | 18.5 – 19.7 |
| XS | 19.7 – 20.9 |
| S | 20.9 – 22.0 |
| M | 22.0 – 23.2 |
| L | 23.2 – 24.4 |
| US Size | Head (in) |
|---|---|
| 2XS | 17.3 – 19.3 |
| XS | 18.5 – 20.5 |
| S | 20.5 – 21.7 |
| M | 21.7 – 23.2 |
| L | 23.2 – 24.4 |
| Size | Palm perimeter (in) | Hand length (in) |
|---|---|---|
| 2XS | 7.0 – 7.3 | 6.3 – 6.6 |
| XS | 7.3 – 7.6 | 6.7 – 6.9 |
| S | 7.6 – 7.9 | 7.0 – 7.2 |
| M | 8.0 – 8.2 | 7.2 – 7.4 |
| L | 8.3 – 8.5 | 7.4 – 7.7 |
| XL | 8.6 – 8.9 | 7.7 – 7.9 |
| 2XL | 8.9 – 9.2 | 8.0 – 8.1 |
| 3XL | 9.2 – 9.5 | 8.2 – 8.4 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Bike size | Height (ft) |
|---|---|
| 12" | 2'5" – 3'0" |
| 14" | 3'0" – 3'5" |
| 16" | 3'5" – 3'11" |
| 20" | 3'11" – 4'5" |
| 24" | 4'5" – 5'1" |
| Bike size | Height (ft) |
|---|---|
| XS | 5'1" – 5'5" |
| S | 5'5" – 5'8" |
| M | 5'8" – 5'11" |
| L | 5'11" – 6'2" |
| XL | 6'2" – 6'7" |
| Bike size | Height (ft) |
|---|---|
| S | 4'11" – 5'5" |
| M | 5'5" – 5'9" |
| L | 5'9" – 6'0" |
| XL | 6'0" – 6'7" |
Size Guide
| Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 33.1 – 34.3 | 27.6 – 28.7 |
| S | 34.6 – 35.8 | 29.1 – 30.3 |
| M | 36.2 – 37.4 | 30.7 – 31.9 |
| L | 37.8 – 40.6 | 32.3 – 35.0 |
| XL | 40.9 – 44.5 | 35.4 – 39.4 |
| 2XL | 44.9 – 48.4 | 39.8 – 43.7 |
| 3XL | 48.8 – 53.1 | 44.1 – 48.4 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| XS | 31.5 – 33.5 | 26.0 – 28.0 |
| S | 33.9 – 35.8 | 28.3 – 30.3 |
| M | 36.2 – 38.2 | 30.7 – 32.7 |
| L | 38.6 – 40.9 | 33.1 – 35.0 |
| XL | 41.3 – 43.7 | 35.4 – 38.2 |
| 2XL | 44.1 – 46.5 | 38.6 – 41.3 |
| 3XL | 46.9 – 49.6 | 41.7 – 44.5 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.5 – 32.7 | 22.8 – 24.4 |
| XS | 33.1 – 34.3 | 24.4 – 25.6 |
| S | 34.6 – 35.8 | 26.0 – 27.2 |
| M | 36.2 – 37.4 | 27.6 – 28.7 |
| L | 37.8 – 40.6 | 29.1 – 33.1 |
| XL | 40.9 – 44.5 | 33.5 – 37.8 |
| 2XL | 44.9 – 48.4 | 38.2 – 42.5 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.1 – 33.5 | 23.6 – 24.8 |
| XS | 33.5 – 35.4 | 25.2 – 26.8 |
| S | 35.4 – 37.8 | 27.2 – 28.7 |
| M | 37.8 – 40.2 | 29.1 – 31.1 |
| L | 40.2 – 42.5 | 31.5 – 33.9 |
| XL | 42.5 – 44.9 | 34.3 – 36.6 |
| 2XL | 44.9 – 47.2 | 37.0 – 39.4 |
| Size | Bust (in) | Underbust (in) |
|---|---|---|
| 2XS | 30.7 – 31.5 | 24.8 – 26.4 |
| XS | 31.5 – 33.5 | 24.8 – 28.3 |
| S | 33.5 – 35.4 | 26.8 – 30.3 |
| M | 35.4 – 37.4 | 28.7 – 32.3 |
| L | 37.4 – 39.4 | 30.7 – 34.3 |
| XL | 39.4 – 41.3 | 32.7 – 36.2 |
| 2XL | 41.3 – 43.3 | 34.6 – 38.2 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hips: Wrap a tape measure around the fullest part of your hips.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 16.5 – 16.9 | 14.6 – 15.2 | 16.5 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 59.1 | 26.8 – 28.7 | 24.0 – 25.2 | 29.1 – 30.3 |
| 12 – 13 years | 59.4 – 63.0 | 29.1 – 31.5 | 25.6 – 27.2 | 30.7 – 33.1 |
| 14 – 15 years | 63.4 – 67.7 | 31.9 – 34.6 | 27.6 – 29.1 | 33.5 – 35.8 |
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 15.4 – 16.9 | 13.4 – 15.2 | 15.4 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 58.3 | 26.8 – 28.0 | 24.0 – 24.8 | 29.1 – 31.9 |
| 12 – 13 years | 58.7 – 62.6 | 28.3 – 31.9 | 25.2 – 26.4 | 32.3 – 35.0 |
| 14 – 15 years | 63.0 – 65.4 | 32.3 – 33.9 | 26.8 – 28.0 | 35.4 – 36.6 |
Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 6 | 9.6 | 38.5 | 24.5 |
| 6.5 | 9.6 | 39 | 24.5 |
| 7 | 9.8 | 39.5 | 25 |
| 7.5 | 10 | 40 | 25.5 |
| 7.5 | 10 | 40.5 | 25.5 |
| 8 | 10.2 | 41 | 26 |
| 8.5 | 10.4 | 41.5 | 26.5 |
| 9 | 10.4 | 42 | 26.5 |
| 9.5 | 10.6 | 42.5 | 27 |
| 9.5 | 10.8 | 43 | 27.5 |
| 10 | 11 | 43.5 | 27.5 |
| 10.5 | 11 | 44 | 28 |
| 11 | 11.2 | 44.5 | 28.5 |
| 11.5 | 11.2 | 45 | 28.5 |
| 11.5 | 11.4 | 45.5 | 29 |
| 12 | 11.6 | 46 | 29.5 |
| 12.5 | 11.6 | 46.5 | 29.5 |
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 4 | 8.25 | 34 | 20.8 |
| 4.5 | 8.5 | 34.5 | 21.3 |
| 5 | 8.7 | 35 | 22 |
| 5.5 | 8.9 | 35.5 | 22.5 |
| 5.5 | 8.9 | 36 | 22.5 |
| 6 | 9.1 | 36.5 | 23 |
| 6.5 | 9.3 | 37 | 23.5 |
| 7 | 9.3 | 37 | 23.5 |
| 7.5 | 9.4 | 38 | 24 |
| 7.5 | 9.6 | 38.5 | 24.5 |
| 8 | 9.6 | 39 | 24.5 |
| 8.5 | 9.8 | 39.5 | 25 |
| 9 | 10 | 40 | 25.5 |
| 9 | 10 | 40.5 | 25.5 |
| 9.5 | 10.2 | 41 | 26 |
| 10 | 10.4 | 41.5 | 26.5 |
| 10.5 | 10.4 | 42 | 26.5 |
| Women's / Men's US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| W5 / M3.5 | 8.6 | 35 | 21.9 |
| W5.5 / M4 | 8.9 | 36 | 22.5 |
| W6 / M4.5 | 9.1 | 36.5 | 23 |
| W6.5 / M5 | 9.3 | 37 | 23.5 |
| W7 / M5.5 | 9.3 | 37.5 | 23.5 |
| W7.5 / M6 | 9.4 | 38 | 24 |
| W8 / M6.5 | 9.6 | 39 | 24.5 |
| W8.5 / M7 | 9.8 | 39.5 | 25 |
| W9 / M7.5 | 10 | 40 | 25.5 |
| W9.5 / M8 | 10.2 | 41 | 26 |
| W10 / M8.5 | 10.4 | 41.5 | 26.5 |
| W10.5 / M9 | 10.4 | 42 | 26.5 |
| W11 / M9.5 | 10.8 | 43 | 27.5 |
| W11.5 / M10 | 11 | 43.5 | 27.5 |
| W12 / M10.5 | 11 | 44 | 28 |
| W12.5 / M11 | 11.2 | 44.5 | 28.5 |
| W13 / M11.5 | 11.2 | 45 | 28.5 |
| W14 / M12 | 11.6 | 46 | 29.5 |
| W15 / M13 | 11.8 | 47 | 30 |
| W16 / M13.5 | 12 | 48 | 30.5 |
Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.
| US Size | Head (in) |
|---|---|
| 2XS | 18.5 – 19.7 |
| XS | 19.7 – 20.9 |
| S | 20.9 – 22.0 |
| M | 22.0 – 23.2 |
| L | 23.2 – 24.4 |
| US Size | Head (in) |
|---|---|
| 2XS | 17.3 – 19.3 |
| XS | 18.5 – 20.5 |
| S | 20.5 – 21.7 |
| M | 21.7 – 23.2 |
| L | 23.2 – 24.4 |
| Size | Palm perimeter (in) | Hand length (in) |
|---|---|---|
| 2XS | 7.0 – 7.3 | 6.3 – 6.6 |
| XS | 7.3 – 7.6 | 6.7 – 6.9 |
| S | 7.6 – 7.9 | 7.0 – 7.2 |
| M | 8.0 – 8.2 | 7.2 – 7.4 |
| L | 8.3 – 8.5 | 7.4 – 7.7 |
| XL | 8.6 – 8.9 | 7.7 – 7.9 |
| 2XL | 8.9 – 9.2 | 8.0 – 8.1 |
| 3XL | 9.2 – 9.5 | 8.2 – 8.4 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Bike size | Height (ft) |
|---|---|
| 12" | 2'5" – 3'0" |
| 14" | 3'0" – 3'5" |
| 16" | 3'5" – 3'11" |
| 20" | 3'11" – 4'5" |
| 24" | 4'5" – 5'1" |
| Bike size | Height (ft) |
|---|---|
| XS | 5'1" – 5'5" |
| S | 5'5" – 5'8" |
| M | 5'8" – 5'11" |
| L | 5'11" – 6'2" |
| XL | 6'2" – 6'7" |
| Bike size | Height (ft) |
|---|---|
| S | 4'11" – 5'5" |
| M | 5'5" – 5'9" |
| L | 5'9" – 6'0" |
| XL | 6'0" – 6'7" |
Derailleur hanger rockrider st 500/520 - riverside 500/900
8527894 / Unique size / Default
Decathlon Mall of Qatar
Mon–Thu & Sun: 10:00–22:00 | Fri: 10:00–00:00 | Sat: 10:00–23:00
Decathlon Villaggio Mall
Mon–Thu & Sun: 09:00–22:00 | Fri: 12:30–23:00 | Sat: 09:00–23:00
Decathlon Doha Festival City Mall
Mon–Thu: 10:00–22:00 | Fri: 10:00–23:00 | Sat–Sun: 10:00–00:00
Decathlon Vendome Mall
Mon–Wed & Sun: 09:00–22:00 | Thu–Sat: 09:00–00:00
Designed to replace the derailleur hanger on your Rockrider mountain bike
Makes your rear derailleur shift smoothly again
Designed to replace the derailleur hanger on your Rockrider mountain bike
Compatibility:ROCKRIDER ST 520 27.5"/ST 540 27.5"/ST900/8.1/8.0 /9./9.2/9.3 and 9.9 RIVERSIDE 500/900/920 E-ST 500 Material: Aluminium
When changing the derailleur hanger, check that the derailleur cage is straight. If it isn't, change it or change the derailleur.
The technicians at your Decathlon store workshop are available to help you replace the parts of your bike. Feel free to ask them for help!
Makes your rear derailleur shift smoothly again

ROCKRIDER ST 520 27.5"/ST 540 27.5"/ST900/8.1/9.1 RIVERSIDE 500/900/920 E-ST 500

Supplied with 2 bolts

Repair your product and give your equipment a second life!
Designed to replace the derailleur hanger on your Rockrider mountain bike
Designed to replace the derailleur hanger on your Rockrider mountain bike
Compatibility:ROCKRIDER ST 520 27.5"/ST 540 27.5"/ST900/8.1/8.0 /9./9.2/9.3 and 9.9 RIVERSIDE 500/900/920 E-ST 500 Material: Aluminium
When changing the derailleur hanger, check that the derailleur cage is straight. If it isn't, change it or change the derailleur.
The technicians at your Decathlon store workshop are available to help you replace the parts of your bike. Feel free to ask them for help!
Makes your rear derailleur shift smoothly again

ROCKRIDER ST 520 27.5"/ST 540 27.5"/ST900/8.1/9.1 RIVERSIDE 500/900/920 E-ST 500

Supplied with 2 bolts

Repair your product and give your equipment a second life!
Designed to replace the derailleur hanger on your Rockrider mountain bike
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