You're offline. Some features may be limited.

CrankSmith Blog

Deep dives into gravel bike builds, tire compatibility, drivetrain gearing, and component standards. Real data from the 2026 scene.

Drivetrain2026-05-06

Budget Gravel Groupsets That Don't Suck in 2026

You don't need Force AXS to ride great gravel. Here are the budget groupsets that actually deliver in 2026.

Racing2026-05-05

Gravel Racing: Unbound vs Mid South vs SBT GRVL — Which Suits You?

Three races. Three completely different challenges. Here's how to figure out which one is actually right for you in 2026.

Standards2026-05-04

700c vs 650b Gravel Wheels: The Real Debate

700c for speed. 650b for width. The choice is more nuanced than that — here's when each wheel size actually makes sense.

Big Tires2026-05-03

Gravel Tire Inserts: Are They Actually Worth $50?

Tire inserts are becoming standard equipment at gravel races in 2026. The question isn't whether they work — it's whether they work for your riding.

Drivetrain2026-05-02

SRAM AXS vs Shimano Di2 for Gravel: E-Shifting Showdown

SRAM is wireless. Shimano is wired. Both are excellent. Here's the 2026 comparison you actually need to make the call.

Standards2026-05-01

Gravel Geometry Explained: Stack, Reach, Trail and How They Affect Your Ride

Stack and reach tell you if a bike fits. Trail tells you how it handles. Chainstay length tells you how it climbs. Here's what each number means in practice.

Drivetrain2026-04-30

Gravel Drivetrain Wear: When Your Chain, Cassette and Chainring Actually Need Replacing

0.5% stretch means replace the chain. Hit 0.75% and you're likely replacing the cassette too. Here's what this looks like in real gravel miles.

Drivetrain2026-04-29

The First $500 Upgrade on a Gravel Bike: Where the Money Actually Goes

Tires return the most per dollar. Wheels look the best on Instagram. Here's the actual ROI order for your first $500 of gravel upgrades.

Standards2026-04-28

Dropper Posts on Gravel: Frame Compatibility, Routing, and Every Brand That Does It Right

Dropper posts are going mainstream on gravel in 2026. Here's everything you need to check before buying one for your frame.

Standards2026-04-27

Aero Gains on Gravel: Deep Section Wheels vs Narrow Tires — Real Watts

Wind tunnel data was built for smooth roads. Here's what actually happens to aero gains when the surface turns to gravel.

Standards2026-04-26

Gravel Rim Width Guide: 25mm vs 28mm vs 30mm Internal

Internal rim width changes how your tire actually inflates — not just by width but by height and profile. Here are the actual numbers for every major combination.

Standards2026-04-25

Flat Mount vs Post Mount Brakes on Gravel: Rotor Size Limits

Flat mount is everywhere on gravel in 2026. But there's a rotor size ceiling — and the adapter situation is less obvious than it looks.

Setup2026-04-24

Gravel Tubeless Setup: What Seals, What Tapes, What Goes Wrong

Tape layers by rim width. Sealant ml by tire volume. Burping fix on hookless: lower pressure + sealant boost.

Standards2026-04-24

Gravel Axle Standards: Boost, 142×12, and Why Thru-Axle Size Matters

QR is dead. 142×12 is standard. 148×12 Boost is creeping in on 2026 gravel frames. Here's what each one means for your build.

Standards2026-04-23

Bottom Bracket Standards on Gravel Bikes: Why Your Creak Is Probably PF30

If your gravel bike creaks and you can't find the source, it's probably your bottom bracket. Here's the full breakdown of what you're dealing with.

Suspension2026-04-22

RockShox Rudy vs Rigid Fork: Is Gravel Suspension Worth It in 2026?

800g heavier but elite racers pair it with narrow tires instead of wide + rigid. The full trade-off analysis.

Standards2026-04-21

Hookless vs Hooked Gravel Wheels: The Safety Guide That Actually Matters

ETRTO standards updated. 28mm tires on 25mm internal hookless = non-compliant. Max pressure 72.5 PSI. When hooked is non-negotiable.

Racing2026-04-21

Mid South 2026 Gearing Breakdown: What the Pros Actually Ran

34x11-42, 42x10-46, 42x9-45. Real setups from Mid South 2026 — and why those exact combinations for red Oklahoma dirt.

Drivetrain2026-04-20

Shimano GRX vs SRAM AXS XPLR vs Campagnolo Ekar — 2026 Gravel Groupset Comparison

Three groupsets. One table. Who wins on weight, range, price, and reliability — and which budget options are worth looking at.

Big Tires2026-04-19

Gravel Tire Width Guide: 40mm vs 45mm vs 50mm vs 2.25" — Real Numbers

Rolling resistance, grip, weight, and effective gearing — all four metrics compared across every major gravel tire width.

Big Tires2026-04-18

2.25-Inch Gravel Tires: When Your Gravel Bike Becomes a Light MTB

The frame list post tells you which bikes fit 2.25". This post tells you what happens when you actually run them — and whether you should.

Big Tires2026-04-17

Every 2026 Gravel Frame That Fits 2.25-Inch Tires

Allied Able (57mm), Lauf Seigla (50mm), 3T Extrema (54mm), Specialized Diverge 4 (55mm) — definitive list.

Big Tires2026-04-16

Gravel Tire Pressure by Width: The Definitive Guide (40mm to 2.25")

Optimal PSI for every width at different rider weights and terrain. Hookless rim max pressure limits. Tubeless minimums to prevent burping.

Racing2026-04-15

Unbound Gravel 2026: The Ultimate Tire & Gear Setup Guide

World's most iconic gravel race. May 28-31, Emporia KS. What pros ran vs what works for the rest of us.

Drivetrain2026-04-14

How Your Bigger Gravel Tire Changes Your Actual Gear Ratio

45mm vs 35mm changes your effective gear inches by ~6%. CrankSmith calculates this automatically.

Drivetrain2026-04-12

1x vs 2x on Gravel in 2026: The Actual Numbers

Gear range percentages, cadence gap sizes, chain drop risk, and who really needs which setup.

Drivetrain2026-04-11

The Gravel Mullet: Road Shifter + MTB Derailleur — Every Combo That Actually Works

SRAM AXS (native), Shimano GRX × XT/XTR (cable pull ratios), Wolf Tooth Tanpan. Full compatibility matrix.

News2026-04-11

2026 Gravel Bike New Releases: Obed GVR, State All-Road V2, Giant Revolt Advanced 0

April 2026 gravel bike refresh: Obed GVR (2.2" clearance), State V2 (T47+UDH under $2K), Giant Revolt Advanced 0, Trek Checkpoint, OPEN U.P. 2.0. Builder compatibility breakdown.

Big Tires2026-04-10

45mm Is the New Minimum Gravel Tire — Here's Why

Every 2026 frame clears 50mm+. Riders are pushing past 40mm and never looking back. The data backs it up.