Boost Through Axle Rear Wheel (12x148mm Standard for MTB)

Upgrade your mountain bike’s rear end with this Boost through axle rear wheel, the modern standard for trail, enduro, all-mountain, and XC bikes seeking enhanced stiffness, better tire clearance, and compatibility with wider cassettes and frames. Designed for 12x148mm Boost spacing (the industry norm since ~2016 for performance MTBs), this rear wheel features a durable aluminum rim (typically 29″ or 27.5″, 28–32H spokes), sealed bearing hub with 12mm thru-axle diameter, and disc brake compatibility (6-bolt or centerlock). The Boost design widens the hub flanges by 6mm compared to legacy 142mm standards, improving lateral stiffness for sharper handling, more efficient power transfer, and better support for wide tires (2.3–2.6″+) while allowing shorter chainstays and improved chainline with 1x drivetrains. It’s tubeless-ready for lower pressure traction, reduced punctures, and faster rolling, with straight-pull or J-bend stainless spokes for strength and easy truing. Weighing around 950–1100g (depending on rim width and spokes), it’s lightweight yet tough for real trails. More than just a wheel—it’s your stiffness-boosting, upgrade-friendly rear end for confident cornering, quicker acceleration, and seamless integration with today’s Boost-equipped frames and cassettes.

Key Features

• Boost 12x148mm Thru-Axle Hub → Aluminum hub with sealed cartridge bearings (often 2–4 bearings) for smooth rolling, low drag, and long-term durability; 12mm diameter axle provides secure, tool-free or lever compatibility with most modern frames.
• Aluminum Rim → Double-wall alloy rim (typically 30–35mm internal width) for strength, tubeless-ready tape/strip compatibility, and support for wide tires to maximize grip, comfort, and stability on rough terrain.
• Stainless Steel Spokes → 14g or 14/15g straight-pull/J-bend spokes laced in 28H/32H pattern for balanced tension, high lateral stiffness, and easy maintenance/truing.
• Disc Brake Mount → 6-bolt or centerlock interface for reliable braking with hydraulic disc setups (common rotors 180–203mm).
• Lightweight & Stiff Construction → Boost spacing moves flanges outward for flatter spoke angles, resulting in a stronger, more responsive wheel that handles big hits, aggressive riding, and wide cassettes (up to 12-speed).
• Versatile Compatibility → Designed for 29″ or 27.5″ Boost frames (148mm OLD), perfect for upgrading non-Boost bikes or matching modern frames with 1x drivetrains and thru-axle forks.

Specifications Table

Compatible Riders/Terrain

This Boost rear wheel excels in a wide range of scenarios, including:

• Trail & All-Mountain Riding → Increased stiffness and tire clearance for confident handling on roots, rocks, flowy singletrack, and technical climbs.
• Enduro & Aggressive Descent → Wider flanges and thru-axle security provide stability on steep, chunky terrain, big hits, and high-speed descents.
• XC to Trail Upgrades → Boost standard modernizes older bikes for better wheel strength, wider tire support, and compatibility with current frames/cassettes.
• Intermediate to Advanced Riders → Ideal for those upgrading from quick-release or non-Boost setups to gain stiffness, better chainline, and performance without full bike replacement.

The 12x148mm Boost thru-axle is the de facto standard on most modern MTBs (post-2015 trail/enduro/XC bikes), offering 6mm wider spacing than legacy 142mm for noticeably stiffer wheels, improved tire clearance, and optimized geometry with shorter chainstays. In Kenya’s diverse trails—from Karura singletrack to Ngong Hills rocks—this rear wheel upgrade delivers sharper power transfer and durability. Pair it with a Boost front (15x110mm) for full system benefits. Upgrade your rear end today—grab this Boost through axle rear wheel and feel the difference in stiffness, speed, and control!