Bonnell 775 AM
The 775 AM isn’t just a bike, it’s a shapeshifter. Built for every kind of rider—from first-timers to full-on trail junkies—it combines modern geometry with modular design and progressive suspension to handle any terrain you throw at it.
Frame
- Progressive single pivot linkage driven suspension design, 150mm travel.
- 4130 chromoly front triangle, twin downtube design, fully ED coated.
- 6061 Aluminium chainstay, forged yoke, adjustable forged dropouts with 203mm Postmount brake interface.
- UDH derailleur hanger.
- 6061 Aluminium seatstays with removable bridge and forged bearing eyelets
- Forged rocker arm
- Full complement stainless steel sealed bearing, marine grease
- Double sealed suspension pivot system for maximum durability
- Dual crown fork rating up to 615mm axle to crown
- Durable powder coating
Rear Suspension
- Suntour TriAir 3CR Bonnell AM custom tune
- 3 positions compression lever and rebound adjuster
- Trunnion 205*60mm. 25*8mm lower shock mount
Headset
- Tapered ZS44 top
- ZS56 bottom sealed bearings
Fork
- Suntour Durolux 36X RC+ on S/M, Durolux 38X RC+ on L/XL, E-bike rated, tapered 1"1/8-1.5", 29"
- 160mm travel
- 40 mm offset
- 15*110 Boost with tooled axle
- Short integrated fender included.
E-SYSTEM
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Drive Unit
- CYC Photon
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Chainring
- CYC steel narrow wide 34T
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Bashguard
- CYC Heavy duty 6061T6 aluminium MTB bash ring 34-36T compatible
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Battery
- CYC A-Series quick connect 520Wh or 780Wh
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Charger
- CYC 4A charger
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Display
- CYC Intuition integrated smart display
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Throttle
- Thumb throttle
Drivetrain
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Rear Derailleur
- Tektro RD-M5100, 10speed, with clutch
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Shifters
- Tektro SL-M5000-10R, 10 speed
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Rear Cogs
- Microshift 10speed cassette CS-EH104 11-48T for e-bike
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Chain
- BKMC e10sport , EPT (anti rust)
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Crank
- CYC forged, 165mm
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Chainguide
- BONNELL guide compatible with 34-38T chainring
Brakes
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Brakes
- Magura MT5, 4pistons, MDR-C 220F/203R rotors
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Brakes Levers
- 2-finger aluminum light weight lever blade, flip flop design allows for regular or moto setup
Adjustment
- Chainstay length can be set at 440mm or 452mm
- 2 shock positions, comfort and sport mode
Wheels
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Front Hub
- Alex rims EMP5 15*110 Boost, E-bike hubs sandblasted finish
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Rear Hub
- Alex rims EMP5 12*148 Boost, E-bike hubs HG steel freehub body, super strong Impel ratchet system, 5 bearings, sandblasted finish
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Brake Type
- Disc 6 holes
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Rims
- Alex rims EMP5, E-bike reinforced, 30mm wide rims, tubeless ready, 36 holes, sandblasted finish
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Spokes
- Stainless Steel, 14g
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Tire Size
- 2.5" front and rear
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Wheel Size
- 27.5" rear, 29" front
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Tires
- Rear: Maxxis DHR II DD Maxx terra tubeless ready 2.5
- Front : Maxxis Assegai DD Maxx grip tubeless ready 2.5
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Tubes
- Maxxis welter weight 2.5
Components
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Handlebar
- Bonnell 780mm, 31.8mm 35mm rise (small/medium) 50mm rise (large/XL) 9deg backsweep, black stealth finish
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Stem
- Bonnell forged, 45mm long, 31.8mm clamp, black stealth finish
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Stem spacers
- 5*5mm spacers included for height adjustement
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Grips
- Bonnell single clamp black stealth finish, tacky rubber, ergonomic and grippy pattern. Integrated bar plug (closed end), 30mm diameter on small/medium , 32mm diameter on large/XL
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Saddle
- Bonnell, by Velo, short nose, reinforced sides, cromoly rails, "I-carry" transport handle.
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Seatpost lever
- Tranz-X J22.2 thumb trottle compatible lever
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Seat Clamp
- Bonnell 34.9 black stealth single bolt
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Seatpost
- Tranz-X 30.9mm, 2 bolt saddle clamp, 7075 aluminium , hard anodized. Adjustable drop 140-170mm on S/M and 170-200mm on L/XL.
Connectivity
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Wheel Sensor
- CYC Bluetooth speed sensor.
Extra
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Pedals
- Bonnell flat pedals aluminium, 110*98mm platform size, 17mm thick, sealed bearing and bushing contruction.
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Tubeless valves
- 2 valves included in box
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Multi tool
- Bonnell 13 functions multi tool
Geometry & dimensions

Measurement | S | M | L | XL | |
---|---|---|---|---|---|
A | Seat Tube Length | 380 | 405 | 430 | 460 |
B | Top Tube Horizontal | 589 | 618 | 638 | 667 |
C | Head Tube Angle ° | 64 | 64 | 64 | 64 |
D | Seat Tube Angle Effective ° | 77 | 76.9 | 77.2 | 77.3 |
E | Standover | 792 | 791 | 790 | 788 |
F | Head Tube Length | 108 | 117 | 127 | 137 |
G | Wheelbase | 1227 | 1257 | 1293 | 1325 |
H | Front Center | 787 | 817 | 841 | 873 |
I | Chain Stay Length | 440 | 440 | 452 | 452 |
J | Bottom Bracket Drop | 25 | 25 | 25 | 25 |
K | Bottom Bracket Height | 350 | 350 | 350 | 350 |
L | Fork Axle to Crown | 580 | 580 | 580 | 580 |
M | Fork Rake | 44 | 44 | 44 | 44 |
N | Trail | 131 | 131 | 131 | 131 |
O | Stack | 627 | 636 | 645 | 654 |
P | Reach | 445 | 470 | 492 | 520 |