These are the part numbers and specifications from the manual found at
https://www.ohlins.com/app/uploads/w...M_07295-17.pdf
Part numbers-Spring rate: (depending on models)
2428-39: 3.9 N/mm
2428-41: 4.1 N/mm
2428-43: 4.3 N/mm
2428-45: 4.5 N/mm
2428-47: 4.7 N/mm
Fork lengths and diameters
Front fork ?48
?A ?B Length (L)
53.9 mm 59.3 mm 938 mm
Front fork ?46
?A ?B Length (L)
53.9 mm 58.4 mm 938 mm
Rebound and compression adjustment
Refer to mounting instruction for set-up data.
Maximum open rebound and compression valve:
20 clicks.
Free Spring Length:
All forks: 467 mm (service limit 460 mm).
Spring preload:
Maximum allowed adjustment
range 4-8 mm (with optional spring supports).