Ritchey Outback Steel 28" Frame Kit

Outback Steel 28" Frame Kit by Ritchey – Durable Gravel Frame for Versatile Riding

The Outback Steel 28" Frame Kit by Ritchey is designed specifically for gravel riding, offering a robust steel frame combined with a carbon fork for an ideal balance of strength and comfort. This frame kit supports both women's and men's setups, featuring a 27.2 mm seatpost diameter and a bolt seat clamp for secure adjustment. It accommodates disc brakes with flat mounts, allowing up to 160 mm rotors on both front and rear wheels for reliable stopping power in varied terrain. With compatibility for 1x or 2x chainring setups, you can customize your drivetrain with up to a 46T single ring or a 50-34T double chainring. The frame fits 28" wheels with standard 12 x 142 mm rear and 12 x 100 mm front axle spacing, and supports tire sizes up to 48-622 for confident traction on gravel paths. The bottom bracket uses a BSA standard, ensuring easy maintenance and compatibility with a wide range of components. This frame kit is built to handle the demands of gravel riding, giving you a versatile platform to build your ideal bike.

aurora | 1 1/8" | XS | 50 mm | 28":

Wheel size:

28"

aurora | 1 1/8" | S | 50 mm | 28":

Wheel size:

28"

aurora | 1 1/8" | M | 50 mm | 28":

Wheel size:

28"

aurora | 1 1/8" | L | 50 mm | 28":

Wheel size:

28"

aurora | 1 1/8" | XL | 50 mm | 28":

Wheel size:

28"

aurora | 1 1/8" | XXL | 50 mm | 28":

Wheel size:

28"

aurora | 1 1/8" | XS | 50 mm | 28":

Steerer Tube:

1 1/8"

Fork Offset:

50 mm

aurora | 1 1/8" | S | 50 mm | 28":

Fork Offset:

50 mm

Steerer Tube:

1 1/8"

aurora | 1 1/8" | M | 50 mm | 28":

Steerer Tube:

1 1/8"

Fork Offset:

50 mm

aurora | 1 1/8" | L | 50 mm | 28":

Steerer Tube:

1 1/8"

Fork Offset:

50 mm

aurora | 1 1/8" | XL | 50 mm | 28":

Steerer Tube:

1 1/8"

Fork Offset:

50 mm

aurora | 1 1/8" | XXL | 50 mm | 28":

Steerer Tube:

1 1/8"

Fork Offset:

50 mm

• Durable steel frame with carbon fork designed for versatile 28" gravel riding
• Compatible with wide tires up to 48-622 for enhanced off-road traction and comfort
• Supports flat mount disc brakes with up to 160 mm rotors for powerful stopping power
• Fits standard 12 x 142 mm rear and 12 x 100 mm front thru-axles for secure wheel attachment
• Accommodates 1x or 2x chainring setups up to 50-34T for flexible gearing options
• Numerous mounting points for fenders and racks on the frame and fork, ideal for adventure touring.

aurora | 1 1/8" | XS | 50 mm | 28":

Head Tube Angle:

69.5

Stack:

532 mm

Standover Height:

740 mm

Wheelbase:

1047 mm

Reach:

373 mm

Chainstay Length:

453 mm

Seat Tube Angle:

74

BB Drop:

70 mm

Seat Tube Length:

410 mm

Head Tube Length:

115 mm

Recommended Rider Height:

154 - 160 cm

Effective Top Tube Length:

526 mm

aurora | 1 1/8" | S | 50 mm | 28":

Head Tube Angle:

70

Stack:

548 mm

Standover Height:

759 mm

Wheelbase:

1053 mm

Reach:

378 mm

Chainstay Length:

453 mm

Seat Tube Angle:

73.5

BB Drop:

70 mm

Recommended Rider Height:

157 - 170 cm

Seat Tube Length:

435 mm

Head Tube Length:

130 mm

Effective Top Tube Length:

541 mm

aurora | 1 1/8" | M | 50 mm | 28":

Head Tube Angle:

70.5

Stack:

567 mm

Standover Height:

782 mm

Wheelbase:

1061 mm

Reach:

383 mm

Chainstay Length:

453 mm

Seat Tube Angle:

73

BB Drop:

68 mm

Seat Tube Length:

460 mm

Recommended Rider Height:

168 - 178 cm

Head Tube Length:

150 mm

Effective Top Tube Length:

557 mm

aurora | 1 1/8" | L | 50 mm | 28":

Head Tube Angle:

71

Stack:

587 mm

Standover Height:

806 mm

Wheelbase:

1070 mm

Reach:

390 mm

Chainstay Length:

453 mm

Seat Tube Angle:

73

BB Drop:

68 mm

Recommended Rider Height:

175 - 186 cm

Seat Tube Length:

490 mm

Head Tube Length:

170 mm

Effective Top Tube Length:

570 mm

aurora | 1 1/8" | XL | 50 mm | 28":

Head Tube Angle:

71

Stack:

606 mm

Standover Height:

832 mm

Wheelbase:

1081 mm

Reach:

395 mm

Chainstay Length:

453 mm

Seat Tube Angle:

73

BB Drop:

68 mm

Recommended Rider Height:

183 - 191 cm

Seat Tube Length:

525 mm

Head Tube Length:

190 mm

Effective Top Tube Length:

581 mm

aurora | 1 1/8" | XXL | 50 mm | 28":

Head Tube Angle:

71.5

Stack:

637 mm

Standover Height:

862 mm

Wheelbase:

1091 mm

Reach:

400 mm

Chainstay Length:

453 mm

Seat Tube Angle:

73

BB Drop:

68 mm

Seat Tube Length:

555 mm

Head Tube Length:

220 mm

Recommended Rider Height:

188 - 196 cm

Effective Top Tube Length:

595 mm

• aurora | 1 1/8" | XS | 50 mm | 28": 97052817001
• aurora | 1 1/8" | S | 50 mm | 28": 97052817002
• aurora | 1 1/8" | M | 50 mm | 28": 97052817003
• aurora | 1 1/8" | L | 50 mm | 28": 97052817004
• aurora | 1 1/8" | XL | 50 mm | 28": 97052817005
• aurora | 1 1/8" | XXL | 50 mm | 28": 97052817006

• 1 x Ritchey Outback steel frame 28"


• 1 x Ritchey Carbon Adventure fork


• 1 x Ritchey WCS IS42/28.6 - IS42/30 headset