2004 - 2022
KTM 450 SMR
Rear sprocket - ktm or 42
| JT Sprockets
Fits to:
KTM SMS 450 Competition [2004 - 2004
KTM SMR 450 [2004 - 2022]
2007 - 2012 KTM 450 SMR
Transmision ratio:
| 11 | 12 | 13 | 14 | 15 | 16 | ||
| 38 | 3.45 +0.8% | 3.17 -7.6% | 2.92 -14.7% | 2.71 -20.8% | 2.53 -26.1% | 2.38 -30.7% | |
| 40 | 3.64 +6.1% | 3.33 -2.8% | 3.08 -10.3% | 2.86 -16.7% | 2.67 -22.2% | 2.50 -27.1% | |
| 41 | 3.73 +8.7% | 3.42 -0.3% | 3.15 -8.0% | 2.93 -14.6% | 2.73 -20.3% | 2.56 -25.3% | |
| 42 | 3.82 +11.4% | 3.50 +2.1% | 3.23 -5.8% | 3.00 -12.5% | 2.80 -18.3% | 2.62 -23.4% | |
| 44 | 4.00 +16.7% | 3.67 +6.9% | 3.38 -1.3% | 3.14 -8.3% | 2.93 -14.4% | 2.75 -19.8% | |
| 45 | 4.09 +19.3% | 3.75 +9.4% | 3.46 +1.0% | 3.21 -6.2% | 3.00 -12.5% | 2.81 -18.0% | |
| 46 | 4.18 +22.0% | 3.83 +11.8% | 3.54 +3.2% | 3.29 -4.2% | 3.07 -10.6% | 2.88 -16.1% | |
| 47 | 4.27 +24.6% | 3.92 +14.2% | 3.62 +5.4% | 3.36 -2.1% | 3.13 -8.6% | 2.94 -14.3% | |
| 48 | 4.36 +27.3% | 4.00 +16.7% | 3.69 +7.7% | 3.43 standard | 3.20 -6.7% | 3.00 -12.5% | |
| 49 | 4.45 +29.9% | 4.08 +19.1% | 3.77 +9.9% | 3.50 +2.1% | 3.27 -4.7% | 3.06 -10.7% | |
| 50 | 4.55 +32.6% | 4.17 +21.5% | 3.85 +12.2% | 3.57 +4.2% | 3.33 -2.8% | 3.12 -8.9% | |
| 51 | 4.64 +35.2% | 4.25 +24.0% | 3.92 +14.4% | 3.64 +6.2% | 3.40 -0.8% | 3.19 -7.0% | |
| 52 | 4.73 +37.9% | 4.33 +26.4% | 4.00 +16.7% | 3.71 +8.3% | 3.47 +1.1% | 3.25 -5.2% | |
| 53 | 4.82 +40.5% | 4.42 +28.8% | 4.08 +18.9% | 3.79 +10.4% | 3.53 +3.1% | 3.31 -3.4% | |
Specifications
| Manufacturer | JT Sprockets |
|---|---|
| Chain pitch | 520 |
| Type | Drive |
| Units | Each |
| Color | Black| Orange |
| Material | 7075-T6 Aluminum| Carbon Steel |
| Position | Rear |
| Number of teeth | 42 |
| Style | Twinstar |
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