URBAM - Bamboo bike frames

The Commuter frame is the base of the "Premium Commuter" model. It features the following :

 * Rear disc brake mounts (160 mm)

 * Reinforced structure for improved rear rigidity

 * 1 1/8" aluminium Head tube

 * For BSA bottom bracket, width 68 mm

 * For 27.2 mm seat post

 * Rear width, dropout to dropout 135 mm

 * Weight : 2,9 kg

The Bamboo Single Speed frame features the following :

 * Rear horizontal dropouts

 * 1" Head tube

 * For BSA bottom bracket, width 68 mm

 * For 25.4 mm seat post

 * Rear width, dropout to dropout 120 mm

 * Weight : 3.1 kg

The Racing frame is showing the following features :

 * Vertical dropouts with derailleur hanger

 * 1 1/8" aluminium Head tube

 * For BSA bottom bracket, width 68 mm

 * For 27.2 mm seat post

 * Rear width, dropout to dropout 130 mm

 * Weight : 2,9 kg