Santa Cruz Tallboy with Novatec D712sb – b12 hubs Singletracks Mountain Bike News, Product Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › Santa Cruz Tallboy with Novatec D712sb – b12 hubs Tweet Add to Flipboard Magazine. Tagged: hubs, novatec, novatec hubs Viewing 1 reply thread Author Posts September 18, 2017 at 13:24 #225268 Mattdavila I just got a new tallboy built up with a set of Novatec D712sb – b12 hubs. Everything i see on them the are a 4 pawl and have a nice loud hum to them which i like. Mine are virtually silent, anyone else with the same experience? September 19, 2017 at 08:21 #225280 Mark Larson Ours are reasonably loud…probably in the middle of the spectrum. I believe the ones with Sram Drivers are quieter however. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic.