1994 - 1999
KTM SX 620
Rear steel sprocket - ktm or 49
| JT Sprockets
Fits to:
KTM SX 620 LC4 [1994 - 1999]
1995 - 1998 KTM SX 620
Transmision ratio:
| 12 | 13 | 14 | 15 | 16 | 17 | ||
| 38 | 3.17 -5.0% | 2.92 -12.3% | 2.71 -18.6% | 2.53 -24.0% | 2.38 -28.7% | 2.24 -32.9% | |
| 40 | 3.33 standard | 3.08 -7.7% | 2.86 -14.3% | 2.67 -20.0% | 2.50 -25.0% | 2.35 -29.4% | |
| 41 | 3.42 +2.5% | 3.15 -5.4% | 2.93 -12.1% | 2.73 -18.0% | 2.56 -23.1% | 2.41 -27.6% | |
| 42 | 3.50 +5.0% | 3.23 -3.1% | 3.00 -10.0% | 2.80 -16.0% | 2.62 -21.3% | 2.47 -25.9% | |
| 44 | 3.67 +10.0% | 3.38 +1.5% | 3.14 -5.7% | 2.93 -12.0% | 2.75 -17.5% | 2.59 -22.4% | |
| 45 | 3.75 +12.5% | 3.46 +3.8% | 3.21 -3.6% | 3.00 -10.0% | 2.81 -15.6% | 2.65 -20.6% | |
| 46 | 3.83 +15.0% | 3.54 +6.2% | 3.29 -1.4% | 3.07 -8.0% | 2.88 -13.7% | 2.71 -18.8% | |
| 47 | 3.92 +17.5% | 3.62 +8.5% | 3.36 +0.7% | 3.13 -6.0% | 2.94 -11.9% | 2.76 -17.1% | |
| 48 | 4.00 +20.0% | 3.69 +10.8% | 3.43 +2.9% | 3.20 -4.0% | 3.00 -10.0% | 2.82 -15.3% | |
| 49 | 4.08 +22.5% | 3.77 +13.1% | 3.50 +5.0% | 3.27 -2.0% | 3.06 -8.1% | 2.88 -13.5% | |
| 50 | 4.17 +25.0% | 3.85 +15.4% | 3.57 +7.1% | 3.33 standard | 3.12 -6.2% | 2.94 -11.8% | |
| 51 | 4.25 +27.5% | 3.92 +17.7% | 3.64 +9.3% | 3.40 +2.0% | 3.19 -4.4% | 3.00 -10.0% | |
| 52 | 4.33 +30.0% | 4.00 +20.0% | 3.71 +11.4% | 3.47 +4.0% | 3.25 -2.5% | 3.06 -8.2% | |
| 53 | 4.42 +32.5% | 4.08 +22.3% | 3.79 +13.6% | 3.53 +6.0% | 3.31 -0.6% | 3.12 -6.5% | |
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