2008 - 2019
KTM 690 DUKE
Rear steel sprocket - ktm or 49
| JT Sprockets
Fits to:
KTM DUKE 690 ABS [2012 - 2019]
KTM DUKE 690 [2008 - 2011]
KTM DUKE 690 ABS [2013 - 2018]
2012 - 2013 KTM 690 DUKE
Transmision ratio:
| 12 | 13 | 14 | 15 | 16 | 17 | ||
| 38 | 3.17 +26.7% | 2.92 +16.9% | 2.71 +8.6% | 2.53 +1.3% | 2.38 -5.0% | 2.24 -10.6% | |
| 40 | 3.33 +33.3% | 3.08 +23.1% | 2.86 +14.3% | 2.67 +6.7% | 2.50 standard | 2.35 -5.9% | |
| 41 | 3.42 +36.7% | 3.15 +26.2% | 2.93 +17.1% | 2.73 +9.3% | 2.56 +2.5% | 2.41 -3.5% | |
| 42 | 3.50 +40.0% | 3.23 +29.2% | 3.00 +20.0% | 2.80 +12.0% | 2.62 +5.0% | 2.47 -1.2% | |
| 44 | 3.67 +46.7% | 3.38 +35.4% | 3.14 +25.7% | 2.93 +17.3% | 2.75 +10.0% | 2.59 +3.5% | |
| 45 | 3.75 +50.0% | 3.46 +38.5% | 3.21 +28.6% | 3.00 +20.0% | 2.81 +12.5% | 2.65 +5.9% | |
| 46 | 3.83 +53.3% | 3.54 +41.5% | 3.29 +31.4% | 3.07 +22.7% | 2.88 +15.0% | 2.71 +8.2% | |
| 47 | 3.92 +56.7% | 3.62 +44.6% | 3.36 +34.3% | 3.13 +25.3% | 2.94 +17.5% | 2.76 +10.6% | |
| 48 | 4.00 +60.0% | 3.69 +47.7% | 3.43 +37.1% | 3.20 +28.0% | 3.00 +20.0% | 2.82 +12.9% | |
| 49 | 4.08 +63.3% | 3.77 +50.8% | 3.50 +40.0% | 3.27 +30.7% | 3.06 +22.5% | 2.88 +15.3% | |
| 50 | 4.17 +66.7% | 3.85 +53.8% | 3.57 +42.9% | 3.33 +33.3% | 3.12 +25.0% | 2.94 +17.6% | |
| 51 | 4.25 +70.0% | 3.92 +56.9% | 3.64 +45.7% | 3.40 +36.0% | 3.19 +27.5% | 3.00 +20.0% | |
| 52 | 4.33 +73.3% | 4.00 +60.0% | 3.71 +48.6% | 3.47 +38.7% | 3.25 +30.0% | 3.06 +22.4% | |
| 53 | 4.42 +76.7% | 4.08 +63.1% | 3.79 +51.4% | 3.53 +41.3% | 3.31 +32.5% | 3.12 +24.7% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Number of teeth | 49 |
| Color | Black| Orange |
| Material | 7075-T6 Aluminum| Carbon Steel |
| Chain pitch | 520 |
| Position | Rear |
| Style | Twinstar |
| Type | Drive |
| Units | Each |
Product description
Steel outer ring Heat-induction hardened high-carbon steel JT advanced tempering process achieves hardness that could last six times longer than a 7075-T6 aluminum sprocket, enhancing power transfer performance Alu core Lightweight aviation-grade ergal 7075-T6 aluminum Precision made using state of the art laser cutting and CNC equipment, resulting in an ultra lightweight race power design