Allotec Rear Dropouts, QR

A selection of dropouts for frame builders. Manufactured in Taiwan by Allotec, a foundry which makes steel frame parts using the lost wax investment casting method. Please see diagram and details spec in the manufacturer's catalog.

C05 comes as a set
C05H/C05R/C05L
W.T:103g

C23-2 (Hog's Back dropouts)
D: 10mm
W.T:336g
post-mount
Rotor:160mm

C25 (pair with C31 or C33) 
Sliding horizontal dropouts, casting for welding sold separate from hardware
100° angle
52.9mm slot length
C31: I.S. brake mount
C33: No brake mount

C15
AXB:11X12.5MM
ANGLE:55°/62°/66°/70°
W.T:180g

C17
AXB:13X14MM
ANGLE:45°/55°/62°/66°/70°/74°
W.T:171g

C47-1
D:10MM
W.T: 112g

C18 (Le Montréal dropouts)
D: 10mm
55°
Right side derailer mount
M3X0.5 threading for adjuster screws (not included)
Socket 13.2x10.5mm