Doerner + Helmer Set collar DIN 705, blister 2 pcs. for 20 mm axle

Calculation of the total axle length [A]
given is track width [S]:
A = S + N + 2T + 6 mm
distance between tires [C] is given:
A = C + R + N + 2T + 6 mm
given is distance *adjusting rings [D]:
A = D + 4T + 2N + 6 mm
given is distance wheel hubs [E]:
A = E + 2N + 6 mm


Set collar to DIN 705/A, with grub screw DIN 914, SB packed 2 pieces in a set
Material: steel

• Suitable for 20 mm axle tube
• Set collar to DIN 705/A
• Grub screw to DIN 914