Wetecom 35 95 62 Bedienungsanleitung Seite 29

You can refer to this chart of wheel diameter and wheel
size:
Wheel diameter d (inch)
20"
22"
24"
26" (650A)
26,5" (tubular)
26,6" (700 x 25C)
26,8" (700 x 28C)
27" (700 x 32C)
28" (700B)
(w/tire)
ATB 24" x 1,75
ATB 26" x 1,4
ATB 26" x 1,5
ATB 26" x 1,75
ATB 26" x 2 (650B)
27" x 1
27" x 1 ¼
Operating
24
Wheel size c
160
176
192
207
212
212
214
216
224
189
200
203
205
210
214
216