Product Overview
The 27.5-inch electric mountain bike is developed for mixed-terrain off-road riding, cross-country routes, and rugged outdoor utility. Built around a T6 heat-treated 6061 aluminum alloy frame, the structure undergoes automated robotic TIG welding and CNC tube shaping to deliver structural fatigue resistance under repeated trail impacts. The 27.5-inch wheel standard balances rollover capacity with high-maneuverability cornering, optimized for technical dirt paths and steep gradients. Manufactured under ISO9001-certified quality control systems, each production lot undergoes chassis fatigue testing, drive-system diagnostic checks, and environmental chamber testing prior to final assembly and packaging.
Key Features
Frame & Geometry: T6 heat-treated 6061 aluminum alloy frame with robotic TIG welding for consistent weld seam density and long-term fatigue resistance under heavy loads.
Drive & Battery Integration: High-torque brushless rear hub motor linked to a multi-channel pedal-assist sensor (PAS) and a smart Battery Management System (BMS) with over-charge, over-discharge, and thermal runaway protection.
Drivetrain & Stopping Power: Shimano 7-speed / 8-speed derailleur indexing system paired with dual mechanical disc brakes (160mm/180mm steel rotors) for predictable stopping force in wet or dusty terrain.
Suspension & Front End: Alloy suspension fork with hydraulic lockout and adjustable preload, designed to damp high-frequency vibration and maintain tire contact on unpaved surfaces.
Technical Specifications
|
Specification Parameter |
Technical Standard & Configuration Details |
|
Wheel Diameter |
27.5 inches |
|
Frame Material |
6061 Aluminum Alloy (T6 Heat-Treated, Robot-Welded, CNC Tubing) |
|
Motor Type |
Brushless Geared Rear Hub Motor (250W / 350W / 500W options) |
|
Battery Configuration |
Removable Downtube Pack, 36V 10.4Ah / 36V 14Ah / 48V 13Ah (Li-ion 18650 / 21700 cells) |
|
Brake System |
Mechanical Disc Brakes (Front & Rear, 160mm/180mm Rotors) |
|
Drivetrain |
Shimano 7-Speed / 8-Speed Derailleur & Shifter Set |
|
Tire Specifications |
27.5" x 2.10" or 2.35" All-Terrain Tread Pattern with Reinforced Puncture Resistance |
|
Ingress Protection |
IPX5 Water and Dust Resistance across Controller and Wiring Harness |
|
Standards & Certifications |
ISO9001, CE, EN 15194 Compliance Ready |
Applications
Designed for cross-country trail riding, gravel roads, and outdoor leisure rental fleets.
Used by park rangers, resort operations, and property security teams requiring silent, zero-emission off-road transportation.
Suitable for suburban commuters traversing unpaved shortcuts, uneven cobblestones, and steep regional inclines.
Available Configurations
Regional Power Output:
• EU Standard: 250W continuous nominal power, 25 km/h assist limit (EN 15194 compliant).
• North American Standard: 350W / 500W nominal power, up to 32 km/h assist limit.
Battery Capacity Options: 36V 10.4Ah (374Wh), 36V 14Ah (504Wh), or 48V 13Ah (624Wh) lockable downtube packs.
OEM/ODM Customization: Custom frame pantone color matching (RAL powder coating), private label silk-screening, custom display firmware, and region-specific charger plugs (EU, US, UK, AU).
FAQ
Q: What is the certified range and speed limit for regional compliance?
A: Top speed is governed by controller firmware according to destination regulations (25 km/h for EU EN 15194; 32 km/h for US Class 1/Class 2). Effective range spans 45 km to 90 km per charge depending on battery pack capacity, assistance mode, rider weight, and incline profile.
Q: How are electrical components protected against water and weather exposure?
A: All electrical harnesses, quick-disconnect cables, battery housing seals, and handlebar LED/LCD displays carry an IPX5 ingress protection rating, preventing water intrusion during rain or trail splatter.
Q: What quality verification procedures are performed before shipment?
A: Every batch undergoes structural frame stress testing, automated dyno motor bench checks, battery BMS cell balancing verification, and rain-chamber environmental simulation.
Q: What are the standard Minimum Order Quantity (MOQ) and production lead times?
A: The standard OEM production MOQ is 50 units per color scheme/spec configuration. Typical mass production lead time is 30 to 45 days following sample sign-off and deposit confirmation.
Request a Quote
Contact our engineering and B2B sales team to request a detailed wholesale price schedule, sample unit availability, container loading layouts (approx. 85 units per 20GP / 210 units per 40HQ SKD packaging), and FOB/CIF trade terms.
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