ROTARY 15/15Boost
The Rotary 15/Rotary 15 boost front hubs run on smooth sealed bearings. Disc brake compatible. Lightweight & strong AL7075-T6 hardware guarantee that your hub won't fail & will run smoothly for years. From riders for riders. Black hardware makes it invisible to the radar.
ROTARY 20
This 20mm front hub is designed for suspension fork users. No gimmicks. Low flanges, lightweight & strong AL7075-T6 hardware guarantee that your hub won't fail & will run smoothly. From riders for riders. Black hardware makes it invisible to the radar.
ROTARY 20 Boost
The Rotary 20mm Boost front hubs run on smooth sealed bearings. Disc brake compatible. Lightweight & strong AL7075-T6 hardware guarantee that your hubs won't fail & will run smoothly for years. From riders for riders. Black hardware makes them invisible to the radar.
Specs
Rotary 15
material: AL6061-T6 body, AL7075-T6 hardware
compatibility: compatible with 15x100mm forks
bearings: 2x #6902 sealed bearings
disc brake mount: IS (International Standard / 6-bolts)
spoke count: available in 32h version only
weight: 178 grams
Rotary 15 boost
material: AL6061-T6 body, AL7075-T6 hardware
compatibility: compatible with BOOST 15x110mm forks<
bearings: 2x #6902 sealed bearings
disc brake mount: IS (International Standard / 6-bolts)
spoke count: available in 32h version only
weight: 175 grams
ROTARY 20
Material: AL6061-T6 body, AL7075-T6 axle & cones
O.L.D: 110mm
Compatibility: compatible with NON BOOST 20x110mm forks
Bearings: 2x #6804 sealed bearings
Rotor mount: IS (International Standard / 6-bolts)
Spoke count: in 32h version only
Weight: ~195g
***Conversion kit 20mm to 15mm (110x20 to 100x15) available separately as an upgrade for 110x20mm (NON BOOST) front hub***
***Not compatible with NS replacement parts prior 2018***
ROTARY 20 Boost
Material: AL6061-T6 body, AL7075-T6 axle & cones
O.L.D: 110mm
Compatibility: compatible with Boost DH 20x110mm forks
Body: wider flanges and disk brake mount position
Bearings: 2x #6804 sealed bearings
Rotor mount: disc brake mount IS (International Standard / 6-bolts)
Spoke count: available in 32h version only
Weight: 178g
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Specs
Size
Metric
Imperial
This is a size chart.
Geo
Metric
Imperial
Geometry of this bike.
Reach
Horizontal measurement taken from the middle of the bottom backet to the middle of the headtube.
Stack
Vertical measurement taken from the middle of the bottom bracket to the middle of the headtube.
Effective Top Tube
Horizontal measurement taken from the middle of the seatube to the middle of the headtube.
Actual Top Tube
True length of the top tube taken from the seatube along the toptup to the headtube.
Standover Height
Vertical measurement taken from the ground to the the middle of toptube.
Seat Tube Angle
Angle of the seatube.
Seat Tube Length
Lenght of the seat tube taken from the bottom bracket to the top of the seat tube (the measure is taken alongside the seat tube)
Headtube Angle
Angle of the headtube.
Headtube
Vertical lenght of the headtube.
Chainstay
Horizontal measurement taken from rear axle to the bottom bracket.
Wheelbase
Horizontal measurement between the two wheel axles.
BB Height
Vertical measurement taken from the ground to the bottom bracket (Never taken at sag).
BB Drop
Vertical measurement between the height of the axles and the height of the bottom bracket.
