Berria STRATOS HPR XT 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 160mm
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Travel Rear 150mm
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Fork RockShox Psylo
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Groupset XT
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Suspension Full
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Motor Bosch 250W 85Nm mid-drive
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Battery BOSCH Powertube 800Wh Horizontal Assembly, Pivot inverted
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Drivetrain 1 × 12
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Brakes SRAM DB8 Hydraulic Disc
Recommended size guide.
SM
155cm - 171cm
MD
169cm - 185cm
LG
180cm - 195cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Stratos HPR, Allmountain Geometry, Y-LINK suspension system with 150mm, Aluminum 3BS 6061 Hydroforming with smooth welding, Full internal cable system ICS2, MTB Acros Headset ZS56 with Blocklock 120º, Post mount 180mm, maximum tyre 29x2.60", Thru axle Boost 12x148mm, UDH Standard
Suspension Fork
RockShox Psylo Silver RC, Damper Motion Control, 15x110mm Maxle Stealth, Tapered steerer, Spring Solo Air, Rake 44mm, 35 mm tapered wall steel, Gloss Black, 160mm travel, weight: 2786gr
Drivetrain
Rear Derailleur
Shimano XT RD-M8100, Aluminum cage, 12 Speed
Cassette
Shimano SLX CS-M7100-12, 10-51T
Crank
FSA CK-220/IS Wider MTB Alloy Cranks, 170mm
Bottom Bracket
BSA, threaded
Chain
Shimano CN-M6100, 118 links
Wheels
Rims
Mavic E-Crossride 29", 15x110, Boost 12x148mm, TLR, MS12 Rear Hub, 6 Bolts, internal width: 30mm, weight: 2225gr
Tires
Vittoria Agarro 29x2,60", Tubeless ready, Graphene 2.0, 120 TPI, weight: 970gr / Vittoria Barzo 29x2,60", Tubeless ready, Graphene 2.0, 120 TPI, weight: 820gr
Brakes
Brakes
SRAM DB8 Black 4 Piston
Cockpit
Handlebar
Avanforce AF2 MTB, Aluminum 6061, Ø31,8mm, width 780mm, Backsweep 6°, Upsweep 5°, Rise 20mm, weight: 330gr
Seat
Saddle
Essax Era, Steel rails, length: 250mm, width: 145mm, weight: 280gr
Seatpost
Crank Brothers HIGHLINE 3 Dropper post, Aluminum 7075-T6, 0 offset, Ø31,6, 125/170mm travel, weight: 609gr
Motor & Battery
Motor
BOSCH Performance Line CX38 Smart System, 250W, 85Nm
Battery
BOSCH Powertube 800Wh Horizontal Assembly, Pivot inverted
Charger
Bosch Charger 220-240V 4A, EU/UK/US Plug Supplied
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.446 mm | 1.387 mm | 1.302 mm |
| Bottom Bracket Height | 346 mm | 346 mm | 346 mm |
| Front Center | 765 mm | 794 mm | 824 mm |
| Rake | 45 mm | 45 mm | 45 mm |
| Trail | 128 mm | 128 mm | 128 mm |
| Stack | 629 mm | 638 mm | 638 mm |
| Reach | 435 mm | 460 mm | 490 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 410 mm | 440 mm | 470 mm |
| Head Tube Angle | 65 ° | 65 ° | 65 ° |
| Head Tube Length | 110 mm | 120 mm | 120 mm |
| Chainstay Length | 447 mm | 447 mm | 447 mm |
| Wheelbase | 1211 mm | 1240 mm | 1270 mm |
| Bottom Bracket Drop | 28 mm | 28 mm | 28 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 155 cm | 169 cm | 180 cm |
| Rider Max Height | 171 cm | 185 cm | 195 cm |
