610890-1/610890/610891
Product SN ：610890-1/610890/610891
610890-1 For: BELT-DRIVE
Belt-Crank : 64/66/68/70/72/74/76/78/80T,BCD - 130mm
610890 For: BELT-DRIVE
Belt-Crank : POM 64/80/100T, BCD - 104, BB Axle - 116mm 610891 For: BELT-DRIVE
Belt-Crank : POM 64/80,100T, BCD - 104, BB Axle - 110mm
Sprocket :
A : 25T-S-3(Alloy) Internal Gear (SHIMANO)
B : 32T-S-3(Alloy Internal Gear (SHIMANO)
C : 28/29/30/31/32/33/34/35/36T-CNC(Alloy)
Internal Gear (SHIMANO) :
Nexus 3
Nexus 3
Nexus 7/Nexus 8/Alfine 8/Alfine 11