My friend has a sequential transmission for GT-4 ST205. It's brand new, never used. The price is 3500 euros plus shipping. The details:
Gear Ratio, Speed and RPM Calculator
Gear set: Manually entered values
Gear 1 2 3 4 5 Final
Ratios: 3.000 2.060 1.470 1.125 0.888 4,076
RPM Limit: 6500
RPM @Peak Power: 3500
Tyre Size: unknown
Tyre Diameter: 627.07 mm
Tyre Circumference: 1970.00 mm
Gear Km/h per 1000 RPM Km/h @3500 RPM Km/h @6500 RPM
--------------------------------------------------------
1 9.67 34 63
2 14.08 49 92
3 19.73 69 128
4 25.78 90 168
5 32.66 114 212
Km/h RPM (in Gears)
-------------------------------------------------
1 2 3 4 5
-------------------------------------------------
10 1035 710 507 388 306
20 2069 1421 1014 776 612
30 3104 2131 1521 1164 919
40 4138 2841 2028 1552 1225
50 5173 3552 2535 1940 1531
60 6207 4262 3041 2328 1837
70 4973 3548 2716 2144
80 5683 4055 3104 2450
90 6393 4562 3491 2756
100 5069 3879 3062
110 5576 4267 3368
120 6083 4655 3675
130 5043 3981
140 5431 4287
150 5819 4593
160 6207 4899
170 5206
180 5512
190 5818
200 6124
210 6431
Gear Change RPM drop (change @3500) RPM drop (change @6500)
-------------------------------------------------------------
1 -> 2 -1097 (to 2403) -2037 (to 4463)
2 -> 3 -1002 (to 2498) -1862 (to 4638)
3 -> 4 -821 (to 2679) -1526 (to 4974)
4 -> 5 -737 (to 2763) -1369 (to 5131)
Gear Ratio, Speed and RPM Calculator
Gear set: Manually entered values
Gear 1 2 3 4 5 Final
Ratios: 3.000 2.060 1.470 1.125 0.888 4,076
RPM Limit: 6500
RPM @Peak Power: 3500
Tyre Size: unknown
Tyre Diameter: 627.07 mm
Tyre Circumference: 1970.00 mm
Gear Km/h per 1000 RPM Km/h @3500 RPM Km/h @6500 RPM
--------------------------------------------------------
1 9.67 34 63
2 14.08 49 92
3 19.73 69 128
4 25.78 90 168
5 32.66 114 212
Km/h RPM (in Gears)
-------------------------------------------------
1 2 3 4 5
-------------------------------------------------
10 1035 710 507 388 306
20 2069 1421 1014 776 612
30 3104 2131 1521 1164 919
40 4138 2841 2028 1552 1225
50 5173 3552 2535 1940 1531
60 6207 4262 3041 2328 1837
70 4973 3548 2716 2144
80 5683 4055 3104 2450
90 6393 4562 3491 2756
100 5069 3879 3062
110 5576 4267 3368
120 6083 4655 3675
130 5043 3981
140 5431 4287
150 5819 4593
160 6207 4899
170 5206
180 5512
190 5818
200 6124
210 6431
Gear Change RPM drop (change @3500) RPM drop (change @6500)
-------------------------------------------------------------
1 -> 2 -1097 (to 2403) -2037 (to 4463)
2 -> 3 -1002 (to 2498) -1862 (to 4638)
3 -> 4 -821 (to 2679) -1526 (to 4974)
4 -> 5 -737 (to 2763) -1369 (to 5131)