They feature nine

Both front and rear hub are fully sealed

Argon rims

FRAME MATERIAL: 4130 crmo down tube

Profile Mini Male 14mm Rear Cassette Hub - RHD bc-axle-14 They feature nineThe Profile Mini Rear Cassette Hub is hand made in the USA, setting the benchmark for cassette hubs thanks to being the very first one. Refined over the years the hub features a heat treated Crmo 14mm hollow axle with 17mm nuts. The hub uses the bullet proof Profile driver with 4 pawls and bearings for super smooth engagement and a loud click. Please note: This is the male axle version, sold standard with a 14mm hollow male axle (you can upgrade to