Sturmey Archer S-RK3
3-speed hub gear with a transmission ratio of 177%
Speeds of 33%
6061 aluminum hub shell
Technical details:
Hole numbers: 32 / 36L
for disc brake
Compatible with sprocket with 13 to 24 teeth
Anodized alloy or black finish
Weight - 1080 g
ratio
Total volume - 177%
Gear 1 - 75% (Gear 2 - 25%)
Gear 2 - 100% (direct drive)
Gear 3 - 133% (Gear 2 + 33%)