This is Martyn Cooper‘s new signature frame. Martyn wanted a frame which is light and durable, with a short back end, steep head tube and with a slim and simple look. That`s pretty much what has been archived really well with this beauty.
![]()




“This frame is great for every level rider and level of riding.
Looks great with a simple frame design, just an all around awesome frame to ride.”

| COOPER FRAME SPECS | |||
|---|---|---|---|
| MATERIAL | Full 4130 chromoly Sanko Japanese tubing | BOTTOM BRACKET | Heat-treated Mid Size BB |
| LENGHTS | 20.5″, 21.0″, 21.2″ | DROPOUTS | Heat-treated Laser cut, 5mm, 4130 cr-mo, 14mm slots, 2mm sink cuts on inside. Angled welded on caps on SS & CS. |
| TT | ø 33.0mm x 1.1t*0.8t*1.0t Heat-treated, Tapered | ||
| DT | ø 34.0mm x 1.2t*0.9t*1.2t Heat-treated | CHAINSTAYLENGTH | 13,25″ slammed |
| SS | ø 19.0mm x 1.0*0.7t*1.0t Heat-treated, Tapered to 16mm | BB HEIGHT | 35mm/1.38″ above axelline |
| CS | ø 19.0mm x 1.2* Heat-treated, Tapered to 16mm | U-BRAKE | rem. u-brake mounts and brake guides |
| SEAT TUBE | single butt (1.5t*0.9t) Heat-treated. Angle: 71.1°, 8.25″ | WEIGHT | 1.90 Kilograms / 4.19lbs for 21.0″ |
| HEAD TUBE | Heat-treated 75.0° Int. Headset, rem. Gyro tabs | COLORS | Matt Black, Matt White, Transl. Green, Transl. Purple, Pearl Blue |