ICE Non-Electric Adventure or Adventure HD Front Boom cranksets Walk-up access to your tailgate

Walk-up access to your tailgate - without removing cycles

thus will not work on many indoor exercise bikes

Friction derailleur

6mm hex keys

These major components of the system are manufactured of aluminum to maintain as low a weight as possible

ICE Non-Electric Adventure or Adventure HD Front Boom cranksets Walk-up access to your tailgateReplacement front boom for the ICE Adventure (standard or HD). Blue. Specifications: Boom Overall Length is 17 3 8" Boom Outer Diameter is 1 5 8" (41. 2mm) Bottom Bracket Shell Width is 68mm Bottom Bracket Inner Diameter is 1. 37" (34. 9mm) Accepts Standard BSA 24 TPI threaded bottom brackets.