Maxxis is the de facto standard tire brand of professional mountain biking - its tread patterns (Minion DHF/DHR II, Assegai, Aggressor, Dissector) define the modern gravity tire and dominate World Cup downhill, Enduro World Series, and elite XC race results.
Every bike tire carries two size numbers on the sidewall: the modern ETRTO (ISO 5775) format like 28-622 - width in millimetres, then bead-seat diameter - and a

Maxxis
Most popular sizes: 29x2.5WT (modern enduro/trail front), 27.5x2.5WT (downhill), 27.5x2.3 (lighter trail). The wider WT (Wide Trail) versions are optimized for 30-35mm internal rims.

Maxxis
Pair a 29x2.4WT or 29x2.5WT DHR II rear with a 29x2.5WT DHF front for the classic enduro setup. 27.5x2.4WT for World Cup downhill.

Maxxis
29x2.5WT is the dominant World Cup enduro front. Choose Assegai over DHF when you need maximum grip and don't mind slower rolling resistance.

Maxxis
Picks up where the legendary High Roller II left off. Best when conditions are too soft for Assegai but don't quite warrant a Shorty mud spike.

Maxxis
Ideal as a fast-rolling rear on 130-150mm trail bikes. Pairs naturally with a DHF or Assegai front. For dryer/harder terrain over the DHR II.

Maxxis
Popular as a high-mileage rear paired with a DHF or Assegai front. Faster rolling than the DHR II at the cost of some braking grip.

Maxxis
Long-running classic that suits XC and light-trail riding on 100-130mm bikes. Often spec'd as a stock OEM tire on hardtails and short-travel full suspension.

Maxxis
Choose by wheel size to match your bike. 26x2.5 is the original BMX/urban favorite; 29x2.5 fits modern dirt-jump and street MTB.

Maxxis
20x4.0 fits Super73, Lectric XP, RadRunner, and similar 20-inch fat e-bike platforms. Verify rim width compatibility (typically 65-100mm internal).

Maxxis
700x40 is the most popular size for general gravel; 700x45 / 50 for rougher routes; 650bx47 for plus-size gravel rigs. Up-size 5mm if you ride mostly singletrack.

Maxxis
700x28 is the modern road race default; 700x30 / 32 for endurance and rough roads. ZK casing is the race version; SL is heavier-but-tougher training spec.

Maxxis
The go-to high-mileage trainer and commuter tire. 700x28 fits most road bikes; 700x32 / 40 widens compatibility to gravel-capable road frames.

Maxxis
Available only in 700x25c. Pair on light-duty road wheels - wider modern racers should prefer the High Road in 28/30mm.

Maxxis
700x28 is the modern training default; size up to 700x30 or 700x32 for rougher pavement, mixed surfaces, or wider modern road rims (19-21mm internal).

Maxxis
700x28 is the modern race default on 21-25mm internal rims; 700x25 still has a place on tighter aero frames. Race-day tire — pair with a more durable trainer for everyday miles.

Maxxis
700x40 for hard-pack and traditional gravel race courses; 700x45 for modern wide-tire gravel events and rougher terrain. Pairs natively with 23-25mm internal gravel rims.

Maxxis
650x47B for plus-style gravel setups and bikepacking comfort; 700x40 or 700x47 for modern gravel race and adventure rigs. Run as a semi-slick rear with a more aggressive front for the best of both worlds.

Maxxis
Most popular as 26x2.40 for urban / dirt jump, 20x1.95 for BMX park, and 29x2.20 for hybrid / commuter use. Wire bead keeps the price down — folding-bead version not offered.
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Inner tubes are sized by wheel diameter and a tire-width window, not by an exact match. Read the sidewall of your current tire - you'll see something like "700×

Maxxis
Match wheel size to your tire (27.5") and check that your rim takes Schrader. For wider downhill tires (2.4"+) Maxxis offers heavier-walled Downhill tubes.

Maxxis
Removable valve core lets you inject sealant or replace a damaged core without buying a new tube. Best all-rounder for 26" wheels.

Maxxis
Sized for the modern gravel range (33-50mm) - broader than a road-only tube. Choose the Presta variant for most road/gravel rims.

Maxxis
Standard 20" BMX tube. For wider 20x4.0 fat e-bike tires (e.g. with the Maxxis MaxxVenture) use a dedicated fat-bike tube instead.

Maxxis
29" x 1.90-2.35" — the right tube for most modern 29er trail and XC tires. Step up to the 29" Plus tube (2.5"-3.0") for plus-size or fat-tire 29ers. The 48mm Presta works with most rim depths; 60mm Presta available for deep-section rims.

Maxxis
700x23-32C is the classic road race / training range. The 60mm valve clears most aero/deep-section rims; for shallow box-section rims, the 48mm version (STB2033) is sufficient. For wider 700x33-50mm gravel tires, use the dedicated Welter Weight 700c gravel tube instead.

Maxxis
29" x 2.5-3.0" — the right tube for plus-size 29ers and modern wide-tire trail bikes. For standard 29er trail and XC tires (1.90"-2.35"), use the standard 29" MTB tube instead.
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Not sure if Maxxis is right for you? Our head-to-head accessory comparisons put the top brands side by side - readers cross-shop Maxxis with Continental, Schwalbe, Bell, Mongoose and RoyalBaby.