BROSS KEYSTONE 3 Mountain Bike – SRAM SX Eagle 12-Speed

$1,650.00

The BROSS KEYSTONE 3 is a capable hardtail mountain bike featuring a lightweight aluminum frame with internal cable routing and SRAM SX Eagle 12-speed drivetrain. Equipped with RockShox Judy air fork, 100mm travel, and Continental 29×2.0″ tires, this bike delivers reliable performance on trails. The SRAM Level brakes and modern geometry make it ideal for entry to intermediate mountain biking.

Frameset

  • Frame: Lightweight Aluminum (Aero, Internal Routing, Flat-mount Disc, 142x12mm, BB91 Press-fit)

  • Sizes: S(15)/M(17)/L(19)

  • Fork: RockShox Judy TK Air (100mm Travel, 15×110mm)

Drivetrain

  • Speeds: 12

  • Shifter: SRAM SX Eagle

  • Rear Derailleur: SRAM SX Eagle

  • Crankset: PROWHEEL MPX 621 1×12

  • Cassette: SRAM SX Eagle PG-1210 11-50T

  • Chain: SRAM SX Eagle 12-speed

Braking System

  • Brakes: SRAM Level Hydraulic Disc

  • Rotors: 160mm (Front & Rear)

Cockpit

  • Handlebar: BROSS Alloy 720mm

  • Stem: BROSS Alloy

  • Seatpost: BROSS Alloy 27.2×350mm

  • Saddle: BROSS Men’s

Wheels & Tires

  • Wheelset: BROSS Alloy Large-size Rims

  • Tires: Continental Racing 29×2.0″

Weight & Capacity

  • Weight: 13.5kg

  • Max Load: 100kg (Standard road conditions only)

Key Features:

  • SRAM SX Eagle 12-Speed

  • Lightweight Aluminum Frame

  • RockShox Judy Air Fork

  • 29×2.0″ Trail Tires

  • Hydraulic Disc Brakes

  • Internal Cable Routing

  • Modern Mountain Geometry

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