SRAM GX Eagle 12-Speed MTB Build Kit w/ Line Comp 30 Wheels & Dropper – Take-Off
This SRAM GX Eagle 12-speed mountain bike build kit was taken off a Bosch-powered eMTB and includes eMTB-ready components like shorter crank arms, wide-range gearing, and a high-travel dropper post. It’s a versatile and trail-capable setup with reliable alloy wheels, powerful 4-piston brakes, and proven SRAM drivetrain performance.
Please note: This kit was removed from a brand-new mid-drive Bosch eMTB and may show light signs of installation. Includes only the items shown in the photos.
Included in this kit:
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SRAM GX Eagle Shifter – 12-Speed
Crisp, mechanical shifting performance with a thumb paddle layout for fast engagement.
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SRAM GX Eagle Rear Derailleur – 12-Speed
Wide-range compatibility with a 10-52T cassette. Smooth shifting under load and tough for trail use.
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SRAM X1 1000 Crank Arms – 165mm Length
Shorter length ideal for eMTB clearance, paired with a forged aluminum design for strength.
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SRAM X-SYNC 2 Chainring – 34T Alloy
Durable narrow-wide design for secure chain retention and efficient power transfer.
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SRAM Eagle XG-1275 Cassette – 10-52T, 12-Speed
520% gear range for tackling steep climbs and fast descents, XD freehub compatible.
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SRAM GX Eagle Chain – 12-Speed
Reliable and precise, built for long-lasting performance in all conditions.
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SRAM Code R Hydraulic Disc Brakes – 4-Piston (Front & Rear)
Powerful brakes for aggressive trail and eMTB use, great modulation and consistent stopping power.
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SRAM CenterLine Rotors – 220mm Front / 200mm Rear, 6-Bolt
Large-diameter rotors with rounded edges for confident braking under high load.
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Bontrager Line Comp 30 Alloy Wheels – Tubeless Ready, 29"
Strong 6000 series alloy rims with Boost spacing and Rapid Drive 108 hub engagement.
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Front: 110x15mm thru axle, 6-bolt
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Rear: 148x12mm thru axle, XD freehub, 6-bolt
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Bontrager SE5 Team Issue Tires – 29x2.50", Tubeless Ready
Aggressive tread with Core Strength sidewalls for enduro-ready grip and flat protection.
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Bontrager Line Elite Dropper Post – 200mm Travel, 34.9mm Diameter
Long-travel MaxFlow internal routing post with 550mm overall length.
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Bontrager Line Pro Handlebar – OCLV Carbon, 35mm Clamp
27.5mm rise, 780mm width for control and comfort on technical trails.
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Bontrager Line Pro Stem – 35mm Clamp, 45mm Length, 0° Rise
Strong, Blendr-compatible stem with a clean, low-profile design.
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Bontrager Arvada Saddle – 138mm Width, Austenite Rails
Lightweight and supportive saddle with a comfort-tuned shape for trail rides.
Why this kit?
Built to handle the demands of eMTB and aggressive trail use, this package combines a full SRAM GX Eagle drivetrain, high-engagement hubs, big rotors, and a 200mm dropper for all-terrain capability. Ideal for upgrading or completing your eMTB or long-travel trail build.
