Introducing the all-new 2020 Crupi OS20 (Over Size 20″) Race Frame! The wheel size of this bike is the same diameter as 20 x 1-1/8″ or 20 x 1-3/8″ wheels making them bigger around but then they are wider and stronger like Pro rims are. This makes the bike feel a little more stable and is still considered a 20″ bike!

OS20 frames are custom made to order so you can choosea Standard 1-1/8″ or a Taper head tubeto meet your needs.This all American made frame is constructed of high-grade 6061-T6 Aluminum and features a butted top and down tube.Pleaseallow roughly 8 weeks for production.

Specs

TT Length: 21.25″

Rider Area: 23.75″

Head Angle: 74

Head Tube Size: 1-1/8″ – 1.5″ Tapered

Seat Tube Angle: 72

Seat Tube Size: 26.8mm

Seat Clamp Size: 31.8mm

Bottom Bracket Height: 11.50

Min/Max Rear Length: 14.25″ – 15.75″

Wheels: OS20

Frame Weight: 3.09lbs