38 parts
● Active2025–Present
Bonnell 775 MX
Peak Power
6 kW
Top Speed
37 mph
Weight
75 lb
Drive chainMSRP $5,895
Detailed Specs & Notes
CYC X1 Pro Gen 4 mid-drive motor, 6kW peak. A65-series battery (OEM replacement $1,096). Front travel 200mm, rear 170mm. Weight 75 lb (34 kg). Range 12–37 mi. Top speed ~37 mph with stock 24T sprocket (22T→~40 mph, 26T→~34 mph). Fuses downhill MTB geometry with e-dirt-bike power. Available in Slate. MSRP $5,895 direct from ridebonnell.com.
38 parts across 8 categories
BRAKES
6 parts
OEMFitment Unconfirmed
Magura MDP 13 Brake Pads — Organic (4-Piston)
Brake Pads
Magura MDP 13 organic brake pads for Bonnell 775 MX. Includes 4 pads (enough for both calipers) + 2 screws. Stock brakes are Magura MT5 4-piston. Verify MDP 13 fitment for MT5 before ordering.
$71.99
+ shipping
OEM
Magura MDR-S 203mm Rear Disc Rotor
Rotor
Magura MDR-S 203mm rear rotor for Bonnell 775 MX. Stock is MDR-P floating 203mm rear — MDR-S is the standard (non-floating) alternative, same size, 6-bolt mount, compatible with MT5 calipers.
$60.99
+ shipping
Aftermarket
Magura MDR-C 220mm Disc Brake Rotor — eBike Optimized (6-Bolt)
Brake Rotor / Disc
Magura MDR-C 220mm rotor, eBike optimized — reinforced for the higher thermal loads from e-bike braking (75 lb bike + rider + CYC motor regen). Compatible with Magura MT5 and MT7 calipers as used on the 775 MX. Upgrade the front rotor from the stock size for more stopping power on steep descents.
$66.99
+ shipping
OEM
Magura Hydraulic Brake Hose (3000mm)
Brake Line
Magura OEM brake hose for MT5 hydraulic brakes on Bonnell 775 MX. 3000mm (trim to length). Hose only — no fittings included. For full brake line replacement.
$48.99
+ shipping
Aftermarket
Magura MT Bleed Nozzle Set
Service Tool
Magura MT series bleed nozzle set. Required for bleeding Magura MT5 hydraulic brakes on Bonnell 775 MX. Use with syringe and Royal Blood fluid.
$18.99
+ shipping
Aftermarket
Magura Bleed Syringe (24ml, Luer Lock)
Service Tool
Magura bleed syringe for bleeding MT5 brakes on Bonnell 775 MX. 24ml, Luer Lock fitting. Use with Magura Royal Blood mineral oil and MT bleed nozzle set.
$19.99
+ shipping
COCKPIT
3 parts
Aftermarket
Wolf Tooth Fat Paw Lock-On Grips
Grips
Wolf Tooth Fat Paw lock-on grips — oversized 32.5mm diameter absorbs vibration and gives a secure, comfortable hold on the 775 MX's 35mm rise bars. Single-clamp lock-on design stays put even in rough DH conditions. Compatible with standard 22.2mm bar ends and 31.8mm clamp sections.
$43.99
+ shipping
Aftermarket
Crankbrothers Stamp 1 Gen 2 Flat Pedals — Black, Large
Pedals
Crankbrothers Stamp 1 Gen 2 large flat pedals — one of the most popular MTB flat pedals at an accessible price. 9/16" threaded axle fits the CYC X1 Pro crank arms. Large size (105 × 105mm) provides a stable platform for DH riding. Composite body with 10 pins per side. Upgrade from stock pedals for better grip.
$80.99
+ shipping
Aftermarket
Bike Yoke Premium Dropper Cable/Housing Set — 3mm, Black
Dropper Post
Premium 3mm dropper post cable and housing set from Bike Yoke. Compatible with the Tranz-X dropper post on the Bonnell 775 MX. Replace the inner cable and housing together when dropper action becomes sluggish or the cable frays. Pre-cut set includes enough length for most MTB frames.
$17.99
+ shipping
DRIVETRAIN
13 parts
OEM
Bonnell 775 MX Custom Sprocket (24T — Stock)
Sprocket
24T stock replacement sprocket for Bonnell 775 MX. Top speed ~37 mph. Balanced all-around performance for trail riding.
$43.99
+ shipping
OEM
Bonnell 775 MX Custom Sprocket (22T)
Sprocket
22T custom sprocket for Bonnell 775 MX. Increases top speed to ~40 mph vs stock 24T. Ideal for mixed terrain with moderate climbs.
$43.99
+ shipping
OEM
Bonnell 775 MX Custom Sprocket (26T)
Sprocket
26T custom sprocket for Bonnell 775 MX. Boosts low-end torque for technical climbs. Top speed ~34 mph — trade speed for climbing power.
$43.99
+ shipping
OEM
Bonnell 775 MX Custom Sprocket (28T)
Sprocket
28T custom sprocket for Bonnell 775 MX. Maximum torque for steep climbs. Lowest top speed option — for technical terrain specialists.
$43.99
+ shipping
OEM
CYC X1 Pro Complete Gearbox
Gearbox
Replacement gearbox for CYC X1 Pro motor (used in Bonnell 775 MX). Brass gears standard. Replacement unit for when gears wear. Source from Electrify Bike (authorized US CYC reseller).
$247.99
+ shipping
OEM
CYC X1 Pro Gen 4 Motor (Bare)
Motor
Bare motor unit only for the CYC X1 Pro Gen 4 — no gearbox included. Use when the gearbox is undamaged but the motor itself has failed. Pairs with the X1 Pro Complete Gearbox for a full motor rebuild.
$369.99
+ shipping
OEM
CYC X1 Pro Left Bottom Bracket Cup
Bottom Bracket
Left-side bottom bracket cup for the CYC X1 Pro mid-drive system. Compatible with Gen 3, Gen 4, and Photon versions. Replace if threads are stripped or the cup is damaged. Uses CYC's proprietary left-cup interface — standard BSA tools will damage it.
$24.99
+ shipping
OEM
CYC X1 Pro Spindle and Bottom Bracket Spacers
Bottom Bracket
Spindle and bottom bracket spacer set for the CYC X1 Pro motor. Required for correct chainline alignment after motor removal/reinstall. Keep a set on hand — these are easy to lose during motor service.
$3.99
+ shipping
OEM219H-11T
CYC X1 Pro 11T Output Sprocket (219H)
Front Sprocket
11-tooth motor output sprocket in 219H pitch for the CYC X1 Pro. This is the motor-side drive sprocket — it pairs with the rear sprockets (22T–28T) sold by Bonnell to set your final drive ratio. Replace when sprocket teeth become shark-finned or worn.
$35.99
+ shipping
Aftermarket
CYC Heavy-Duty Drivetrain (Cassette + Hub)
Cassette
Heavy-duty 5-speed drivetrain upgrade for CYC X1 Pro-powered e-bikes including Bonnell 775 MX. Chromoly/aluminum cassette, AlexRims hub, Microshift components. More durable than stock drivetrain under high-power use.
$456.99
+ shipping
OEM
CYC X1 Pro Motor Cover
Motor Cover
OEM plastic cover for the CYC X1 Pro motor housing. Protects the motor from mud, rocks, and debris on the trail. Compatible with Gen 3 and Gen 4 versions of the X1 Pro.
$24.99
+ shipping
OEM
CYC X1 Pro Gen 4 Left Mounting Bracket
Motor Mount
Gen 4 specific left-side motor mounting bracket for the CYC X1 Pro. Secures the motor to the Bonnell 775 MX frame. Note: Gen 4 left bracket is different from Gen 3 — order the correct version.
$43.99
+ shipping
OEM
CYC X1 Pro Gen 3/4 Right Mounting Bracket
Motor Mount
Right-side motor mounting bracket for the CYC X1 Pro Gen 3 and Gen 4. Shared between both generations (unlike the left bracket). Order this if the right bracket is cracked or bent from a crash.
$43.99
+ shipping
ELECTRICAL
3 parts
OEM
Bonnell 775 MX A65 Battery Pack
Battery
OEM A65-series replacement battery for Bonnell 775 MX. Optimized for the CYC X1 Pro Gen 4 motor. Balances maximum power and maximum range. Exact voltage and Wh not published by Bonnell.
$1359.99
+ shipping
OEM
CYC X1 Pro Gen 4 Mid-Drive Motor Kit
Motor
Complete OEM replacement CYC X1 Pro Gen 4 mid-drive motor kit for Bonnell 775 MX. Includes motor, X12 controller, display (SW102T or DS103), and throttle. This is the factory powertrain — 6kW peak, 280 Nm at the crank. Sourced from Electrify Bike (authorized US reseller).
$1549.99
+ shipping
OEMFitment Unconfirmed
CYC SW102 Color Display
Display
CYC SW102 color display compatible with CYC X1 Pro Gen 4 motor system (used in Bonnell 775 MX). Verify compatibility before ordering — NOT compatible with CYC Photon Gen 2.
$92.99
+ shipping
SUSPENSION
2 parts
Aftermarket
Stan's Biobased ForkBoost — 120ml
Fork Oil
Stan's ForkBoost wax-based stanchion spray. Apply to the SR Suntour Rux 38 stanchions before each ride to repel dirt and water — dramatically reduces stanchion wear and keeps the fork action buttery smooth. Spray on clean stanchions, wipe to a thin coat.
$17.99
+ shipping
Aftermarket
Stan's Biobased Suspension Oil — 5WT, 1L
Fork Oil
Stan's 5WT bio-based suspension oil for the 775 MX's SR Suntour Rux 38 RC+ fork. 5WT is the recommended lower leg bath oil viscosity for Suntour forks. Service the lower legs every 50 hours of riding — it takes about 10ml per leg. 1L bottle lasts many service intervals.
$37.99
+ shipping
TIRES & WHEELS
2 parts
OEM
Maxxis Assegai 29" × 2.5" (Front — 775 MX)
Tire
Maxxis Assegai 29" × 2.5" front tire for Bonnell 775 MX. Stock spec uses MaxxGrip DH casing — this MaxxTerra EXO variant is a durable everyday alternative. Same size (29" front per mullet setup). Tubeless ready.
$107.99
+ shipping
OEM
Maxxis Assegai 27.5" × 2.5" (Rear — 775 MX)
Tire
Maxxis Assegai 27.5" × 2.5" rear tire for Bonnell 775 MX (mullet setup — 29" front / 27.5" rear). MaxxTerra EXO variant; stock is MaxxGrip DH casing. Tubeless ready.
$107.99
+ shipping
TOOLS & MAINTENANCE
1 part
WHEELS & TIRES
8 parts
Aftermarket
Tubolito S-Tubo MTB Tube — 27.5/29 × 1.8–2.5", 42mm Presta
Front Tube
Ultralight TPU inner tube that fits both 27.5" and 29" wheels — covers the 775 MX's mullet setup (29" front and 27.5" rear) with a single tube SKU. One-third the weight of a standard butyl tube. Great emergency backup for trail rides. 42mm Presta valve clears all standard rim depths.
$44.99
+ shipping
Aftermarket
Stan's Original Tubeless Rim Tape — 27mm × 10m
Tubeless Accessories
Stan's tubeless rim tape in 27mm width — fits both the 29" front and 27.5" rear rims on the 775 MX. Required for tubeless conversion or re-taping after a rim swap. 10m roll does both wheels with material to spare.
$21.99
+ shipping
Aftermarket
WTB TCS Standard Tubeless Valves — 34mm Presta (2-pack)
Tubeless Accessories
WTB tubeless Presta valves, 34mm length — a 2-pack covers both wheels. Required for tubeless setup. Replace when the valve core seizes or the rubber base tears from repeated sealant injections.
$22.99
+ shipping
Aftermarket
Stan's Race Day Tubeless Sealant — 1000ml
Tubeless Accessories
Stan's Race Day sealant — the go-to for big-volume DH tires. The 775 MX runs 2.5" tires front and rear, which need more sealant than a cross-country setup. 1000ml fills both tires with room to refill after a mid-trail puncture repair.
$57.99
+ shipping
Aftermarket
Stan's Original Dart Tubeless Repair Tool
Tubeless Accessories
Stan's Dart injection-style tubeless repair tool. Fires a plug directly into the sidewall puncture from outside the tire — no need to remove the wheel or deflate. Essential trail carry for the 775 MX's terrain. Pair with the Dart Refill 6-pack.
$30.99
+ shipping
Aftermarket
Stan's Dart Tubeless Repair Refills — 6-pack
Tubeless Accessories
Replacement Dart plug refills for the Stan's Original Dart Repair Tool — 6-pack. One plug per puncture; buy a pack so you never run out mid-session. Compatible with the Stan's Dart tool only.
$24.99
+ shipping
Aftermarket
Maxxis Minion DHF 29" × 2.5" — Front Tire (3CG DH Wide Trail, E-50)
Front Tire
Maxxis Minion DHF — the gold standard front DH tire — in 29" for the 775 MX. 3CG compound balances cornering grip with rolling efficiency. DH Wide Trail casing handles the 775 MX's 75 lb weight and CYC motor torque. E-50 rated for e-bike use up to 50 km/h. Tubeless-ready folding bead.
$130.99
+ shipping
Aftermarket
Maxxis Minion DHR II 27.5" × 2.5" — Rear Tire (3C MaxxGrip DH)
Rear Tire
Maxxis Minion DHR II in 27.5" for the 775 MX rear wheel. 3C MaxxGrip compound maximizes braking traction — critical when the CYC motor is pushing the bike hard downhill. DH casing withstands impacts on the rear. Popular upgrade from the stock Assegai for more aggressive DH riding.
$130.99
+ shipping