Reaper 27.5
Overview
Intended use: Trail
Rear travel: 130
Description
All the competency and burliness of a full-sized trail bike in a junior-sized package. Available in three wheel sizes, the Reaper is the real deal for charging trails and the bike park. Best for experienced junior and youth riders looking to charge steeper and bigger trails.
Specifications
Geometry
Wheel size
RIDE-9/4 POSITION
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 550 |
| Head Tube Angle (deg) | 65.2 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.2 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 427 |
| Bottom Bracket Drop (mm) | 19 |
| Reach (mm) | 371 |
| Stack (mm) | 589 |
| Standover Height (mm) | 815 |
| Wheelbase (mm) | 1104 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.4 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.4 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 426 |
| Bottom Bracket Drop (mm) | 15 |
| Reach (mm) | 374 |
| Stack (mm) | 587 |
| Standover Height (mm) | 816 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.7 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.7 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 426 |
| Bottom Bracket Drop (mm) | 13 |
| Reach (mm) | 377 |
| Stack (mm) | 585 |
| Standover Height (mm) | 817 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.6 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.6 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 426 |
| Bottom Bracket Drop (mm) | 15 |
| Reach (mm) | 375 |
| Stack (mm) | 586 |
| Standover Height (mm) | 816 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.8 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.8 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 11 |
| Reach (mm) | 377 |
| Stack (mm) | 585 |
| Standover Height (mm) | 818 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 548 |
| Head Tube Angle (deg) | 66 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 74 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 8 |
| Reach (mm) | 380 |
| Stack (mm) | 583 |
| Standover Height (mm) | 819 |
| Wheelbase (mm) | 1102 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 548 |
| Head Tube Angle (deg) | 65.9 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.9 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 11 |
| Reach (mm) | 378 |
| Stack (mm) | 584 |
| Standover Height (mm) | 818 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 548 |
| Head Tube Angle (deg) | 66.1 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 74.1 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 7 |
| Reach (mm) | 381 |
| Stack (mm) | 583 |
| Standover Height (mm) | 819 |
| Wheelbase (mm) | 1102 |
Standover height is measured 200 mm in front of the bottom bracket.
| xs | |
|---|---|
| Top Tube Horizontal (mm) | 547 |
| Head Tube Angle (deg) | 66.3 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 74.3 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 424 |
| Bottom Bracket Drop (mm) | 4 |
| Reach (mm) | 383 |
| Stack (mm) | 581 |
| Standover Height (mm) | 821 |
| Wheelbase (mm) | 1101 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 550 |
| Head Tube Angle (deg) | 65.2 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.2 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 427 |
| Bottom Bracket Drop (mm) | 19 |
| Reach (mm) | 371 |
| Stack (mm) | 589 |
| Standover Height (mm) | 815 |
| Wheelbase (mm) | 1104 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.4 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.4 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 426 |
| Bottom Bracket Drop (mm) | 15 |
| Reach (mm) | 374 |
| Stack (mm) | 587 |
| Standover Height (mm) | 816 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.7 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.7 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 426 |
| Bottom Bracket Drop (mm) | 13 |
| Reach (mm) | 377 |
| Stack (mm) | 585 |
| Standover Height (mm) | 817 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.6 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.6 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 426 |
| Bottom Bracket Drop (mm) | 15 |
| Reach (mm) | 375 |
| Stack (mm) | 586 |
| Standover Height (mm) | 816 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 549 |
| Head Tube Angle (deg) | 65.8 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.8 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 11 |
| Reach (mm) | 377 |
| Stack (mm) | 585 |
| Standover Height (mm) | 818 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 548 |
| Head Tube Angle (deg) | 66 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 74 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 8 |
| Reach (mm) | 380 |
| Stack (mm) | 583 |
| Standover Height (mm) | 819 |
| Wheelbase (mm) | 1102 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 548 |
| Head Tube Angle (deg) | 65.9 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 73.9 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 11 |
| Reach (mm) | 378 |
| Stack (mm) | 584 |
| Standover Height (mm) | 818 |
| Wheelbase (mm) | 1103 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 548 |
| Head Tube Angle (deg) | 66.1 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 74.1 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 425 |
| Bottom Bracket Drop (mm) | 7 |
| Reach (mm) | 381 |
| Stack (mm) | 583 |
| Standover Height (mm) | 819 |
| Wheelbase (mm) | 1102 |
Standover height is measured 200 mm in front of the bottom bracket.
| Top Tube Horizontal (mm) | 547 |
| Head Tube Angle (deg) | 66.3 |
| Head Tube Length (mm) | 100 |
| Seat Tube Angle (deg) | 74.3 |
| Seat Tube Length (mm) | 359 |
| Rear Centre (mm) | 424 |
| Bottom Bracket Drop (mm) | 4 |
| Reach (mm) | 383 |
| Stack (mm) | 581 |
| Standover Height (mm) | 821 |
| Wheelbase (mm) | 1101 |
Standover height is measured 200 mm in front of the bottom bracket.
Sizing chart
These figures are a rough guide only. Rider proportions, riding style, and personal preferences all factor in choosing the correct bike size. Rocky Mountain always recommends test riding and professional bike fitting at an authorized dealer.
Frame Size
Owners resources
Features and technologies
RIDE-4™ adjustment system
The RIDE-4 adjustment system allows riders to quickly fine-tune their geometry with a single Allen key. Four configurations are possible thanks to one rotating chip.
FORM™ Alloy
FORM™ tubesets utilize premium materials to meet our strict requirements. Each FORM™ tube that we create is engineered for its specific purpose within the frame, ensuring optimized strength, weight, and ride quality.
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