Tapered Headsets
G301A
IS42/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/52
➤ Crown Cone: 39.8
➤ Height: 11.6
Technical Diagram
RB3K/RB4K
IS42/28.6 | IS52/40
➤ Nylon Cap
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/52
➤ Crown Cone: 39.8
➤ Height: 16.8
RB4K Height: 16.4
Technical Diagram
P504A
IS41/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41/52
➤ Crown Cone: 39.8
➤ Height: 5.5
Technical Diagram
P40F
IS41/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41/52
➤ Crown Cone: 39.8
➤ Height: 9.8
Technical Diagram
H40FS
IS42/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/51.8
➤ Crown Cone: 39.8
➤ Height: 16.4
Technical Diagram
S40F
IS42/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/51.8
➤ Crown Cone: 39.8
➤ Height: 8.6
Technical Diagram
M40
IS42/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/52
➤ Crown Cone: 39.8
➤ Height: 10
Technical Diagram
M44
IS42/28.6 | IS47/33
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.4″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/46.8
➤ Crown Cone: 33
➤ Height: 10.1
Technical Diagram
D40F
IS42/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/52
➤ Crown Cone: 39.8
➤ Height: 16.5
Technical Diagram
D40K
IS42/28.6 | IS52/40
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/52
➤ Crown Cone: 39.8
➤ Height: 9.3
Technical Diagram
D44F
IS42/28.6 | IS47/33
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.4″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/46.8
➤ Crown Cone: 33
➤ Height: 16.6
Technical Diagram
D44K
IS42/28.6 | IS47/33
➤ Alloy
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Bearing O.D.: 41.8/46.8
➤ Crown Cone: 33
➤ Height: 9.4
Technical Diagram
G508A
ZS44/28.6 | ZS56/40
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/56
➤ Crown Cone: 39.8
➤ Height: 12.5
Technical Diagram
RK/RK1/RK2
ZS44/28.6 | ZS56/40
ZS44/28.6 | ZS55/30
ZS44/28.6 | ZS55/40
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/55
➤ Crown Cone: 30
➤ Height: 12.5
Technical Diagram
Y35
ZS44/28.6 | ZS56/30
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ Steerer
➤ Angle Adjustable ± 1°
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/56
➤ Crown Cone: 30
➤ Height: 14.2
Technical Diagram
Y33
ZS44/28.6 | ZS49/30
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ Steerer
➤ Angle Adjustable ± 1°
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/49.6
➤ Crown Cone: 30
➤ Height: 14.2
Technical Diagram
HS3
ZS44/28.6 | ZS56/40
➤ Alloy Cap/Steel Cup
➤ Cartridge Bearings /Ball Retainer
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/56
➤ Crown Cone: 39.8
➤ Height: 13.1
Technical Diagram
HRK1/HRK2
ZS44/28.6 | ZS55/40
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/55
➤ Crown Cone: 39.8
➤ Height: 19.8
HRK2 Cup O.D.: 44/56
Technical Diagram
CS3N
ZS44/28.6 | ZS56/40
➤ Nylon Cap/Steel Cup
➤ Ball Retainers
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/56
➤ Crown Cone: 39.8
➤ Height: 21.6
Technical Diagram
CS3
ZS44/28.6 | ZS56/40
➤ Nylon Cap/Steel Cup
➤ Ball Retainers
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44/56
➤ Crown Cone: 39.8
➤ Height: 8.3
Technical Diagram
CS3-4
ZS44/28.6 | EC44/40
➤ Steel
➤ Ball Retainers
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44
➤ Crown Cone: 39.8
➤ Height: 16
Technical Diagram
D344A
ZS44/28.6 | EC44/40
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44
➤ Crown Cone: 39.8
➤ Height: 22.2
Technical Diagram
DS
ZS44/28.6 | EC44/40
➤ Alloy Cap/Cup
➤ Sealed Bearings
➤ 1-1/8″ to 1.5″
➤ Tapered Steerer
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 44
➤ Crown Cone: 39.8
➤ Height: 20.9
Technical Diagram
G502S
EC34/28.6 | ZS44/30
➤ Steel, Ball Retainers
➤ Top Nut: 1-1/8″
➤ Cup O.D.: 34/44
➤ Crown Cone: 30
➤ Height: 17.5
Technical Diagram