Niner SIR 9 4-Star Shimano XT Steel Mountain Bike - 2022, Medium
The Niner SIR 9 4-Star Shimano XT is a lightweight, race-focused cross-country mountain bike built for speed, efficiency, and technical precision. Its carbon frame delivers responsive power transfer and a lively, nimble feel, while modern XC geometry keeps handling sharp yet stable over roots, rocks, and technical climbs. Equipped with a Shimano XT drivetrain, the bike provides smooth, reliable shifting and a wide gear range for steep terrain and fast accelerations. Designed for competitive XC racing and long, challenging rides, the SIR 9 balances efficiency, control, and responsiveness in a polished, high-performance package.
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Niner SIR 9 4-Star Shimano XT Steel Mountain Bike - 2022, Medium
Niner SIR 9 4-Star Shimano XT Steel Mountain Bike - 2022, Medium
The Niner SIR 9 4-Star Shimano XT is a lightweight, race-focused cross-country mountain bike built for speed, efficiency, and technical precision. Its carbon frame delivers responsive power transfer and a lively, nimble feel, while modern XC geometry keeps handling sharp yet stable over roots, rocks, and technical climbs. Equipped with a Shimano XT drivetrain, the bike provides smooth, reliable shifting and a wide gear range for steep terrain and fast accelerations. Designed for competitive XC racing and long, challenging rides, the SIR 9 balances efficiency, control, and responsiveness in a polished, high-performance package.
Original: $3,209.00
-65%$3,209.00
$1,123.15Product Information
Product Information
Shipping & Returns
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Description
The Niner SIR 9 4-Star Shimano XT is a lightweight, race-focused cross-country mountain bike built for speed, efficiency, and technical precision. Its carbon frame delivers responsive power transfer and a lively, nimble feel, while modern XC geometry keeps handling sharp yet stable over roots, rocks, and technical climbs. Equipped with a Shimano XT drivetrain, the bike provides smooth, reliable shifting and a wide gear range for steep terrain and fast accelerations. Designed for competitive XC racing and long, challenging rides, the SIR 9 balances efficiency, control, and responsiveness in a polished, high-performance package.























