{"@context":"https://schema.org/","@type":"Product","name":"2021 Trek Supercaliber 9.9","image":["https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864363233_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864367601_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864371630_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864375320_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864379057_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864382739_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864387034_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864390854_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864394724_0.jpg","https://storage.googleapis.com/bidbikesapp.appspot.com/Auctions/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9/images/large/YpWBZIHwn7272WN5PSRq-2021-trek-supercaliber-9-9_1777864398460_0.jpg"],"description":"2021 Trek Supercaliber 9.9 — XX1 / SID SL Ultimate — Gen 1 — Medium

The Trek Supercaliber 9.9 is a high-performance XC race bike built for speed, efficiency, and precision. Featuring Trek’s IsoStrut rear suspension system, it delivers a lightweight, race-focused feel while maintaining traction on technical terrain.

This Gen 1 build is equipped with SRAM XX1 drivetrain, RockShox SID SL Ultimate fork, and Bontrager carbon wheels, making it a fast and capable race setup.

Key Details

Brand: Trek

Model: Supercaliber 9.9

Year: 2021

Build: XX1

Generation: Gen 1

Frame Size: Medium

Wheel Size: 29

Frame Material: Carbon Fiber

Condition: Used — Good

Location: Buckeye, AZ

Build Highlights

• Fork: RockShox SID SL Ultimate

• Rear Suspension: Fox Factory IsoStrut (stock for model year)

• Drivetrain: SRAM XX1 Eagle — 12-speed

• Brakes: SRAM Level

• Wheelset: Bontrager carbon wheels

Tires

• Front: Bontrager XR1 Team Issue TLR

• Rear: Schwalbe Racing Ralph

Extras

• SRAM brake bleed kit included

Weight

• Approximately 20 lbs

Condition

Seller notes cosmetic scratches on the frame and fork stanchion (see photos). Otherwise, the bike is race-ready and mechanically solid.

Sizing

Medium: Typically fits riders approximately 5'7\" – 5'11\"

Value

Offered at $4,000, representing strong value for a lightweight carbon Supercaliber 9.9 with XX1 drivetrain and carbon wheels.

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