The womens specific design is what creates a balanced position on the bike and that means stability in fast corners and descents efficient power transfer and most importantly comfort for the longest days on the road the avail sl is a lightweight extension of your body with looks that outshine the pack frame aluxx sl grade aluminium fork advanced grade composite alloy overdrive steerer drivetrain shimano 105 22 speed brakes tektro r540 dual pivot wheels giant pr 2 wheel