HP Velotechnik Front Boom KO Black with Scale with Derailleur Tube brand_hase HP Velotechnik first introduced this

HP Velotechnik first introduced this technology with the Gekko fxs under the name OrthoFlex®

Handlebar Alloy w/2 Bottle Braze-ons

For seat type:  Hase mesh seat

5" of space for attaching lights

HP Velotechnik Front Boom KO Black with Scale with Derailleur Tube brand_hase HP Velotechnik first introduced thisReplacement front boom for HP Velotechnik Trikes. Includes front derailleur tube (1 1 8" diameter) with water bottle accessory bosses. Also shows adjustment scale. Specifications: Boom Overall Length is 20 1 2" Boom Outer Diameter is 2. 1" (53mm) Bottom Bracket Shell Width is 68mm Bottom Bracket Inner Diameter is 1 5 16" (33. 3mm) Accepts Standard BSA 24 TPI threaded bottom brackets.