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Mongoose Tyax Expert Hardtail Mountain Bike, Medium, 27.5-Inch Wheels

$599.99 (Price correct as of 11/10/2026 09:33 PST · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Mongoose Tyax Expert is a medium-frame hardtail mountain bike with 27.5-inch wheels and a Tectonic T2 aluminum frame. Listed specifications include a 100 mm-travel fork, 12-speed drivetrain with trigger shifters, hydraulic disc brakes and 141 mm rear hub spacing. The listing gives a rider-height range of 67 to 70 inches and identifies a Limited Lifetime warranty. Confirm the model number, fit, warranty terms and exact component compatibility when comparing versions or replacement parts.

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Quick Summary

The Mongoose Tyax Expert is a medium-frame hardtail mountain bike with 27.5-inch wheels and a Tectonic T2 aluminum frame. Listed components include a 100 mm-travel fork, a 12-speed drivetrain with trigger shifters, and hydraulic disc brakes. Check the stated rider-height range and confirm the exact model configuration when comparing versions or replacement parts.

Key Details

Detail Product information and buyer relevance
Model Mongoose Tyax Expert, model M29200F10MD-PC. Match the full model number when checking specifications or parts.
Frame and color Tectonic T2 aluminum frame with internal cable routing; Yellow/Teal.
Frame size and wheels Medium frame with 27.5-inch wheels. The listing gives a rider-height range of 67 to 70 inches.
Fork 100 mm of travel; the listing says it helps absorb bumps on trails.
Drivetrain and brakes 12-speed drivetrain with trigger shifters and hydraulic disc brakes.
Rear hub spacing 141 mm. This measurement is a useful starting point when checking rear wheel or hub fit, but does not establish compatibility by itself.
Warranty Listed as Limited Lifetime. Check the applicable terms and coverage for this specific model.

What to Compare Before Buying

Start with fit. Compare the stated 67-to-70-inch rider-height range with the rider’s measurements and the seller’s sizing guidance. Height alone does not establish a suitable fit.

Confirm the selected version is model M29200F10MD-PC, with a medium frame and 27.5-inch wheels. Do not assume those details apply to other Tyax models or frame sizes.

If checking replacement wheels or hubs, use the 141 mm rear hub spacing as one of the specifications to verify. Confirm the exact component’s fit requirements rather than relying on spacing alone.

The listing identifies a 100 mm-travel fork, a 12-speed drivetrain and hydraulic disc brakes, but does not provide further performance measurements. Compare the specifications you need for your intended riding and confirm the warranty terms before deciding.

Compatibility, Size and Fit

This is the medium-frame, 27.5-inch-wheel version. The stated rider-height range is 67 to 70 inches, but sizing can involve more than height. Check the sizing guidance for the exact model and rider before settling on a frame size.

For replacement parts, confirm compatibility with the complete model number and the specific component. The 141 mm rear hub spacing is relevant to rear wheel and hub checks, but other fit details may also matter.

Before You Decide

Confirm rider fit, the medium-frame and 27.5-inch-wheel configuration, and the full model number. If sourcing parts, verify the component requirements in addition to the 141 mm rear hub spacing. Follow the manufacturer’s assembly and setup instructions before riding.

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