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Guides
Reference pages for road and gravel riders: compatibility, standards and the numbers behind setup choices. Every claim is sourced and linked. We say when we have not tested something ourselves, which is most things.
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Quick referenceBike compatibility at a glanceFreehubs, cleats, hookless rims, frames and chains on one page.
GlossaryCycling tech glossary71 terms, A to Z, each linked to its guide or tool.
Price watchBlack Friday 2026 cycling tech price watchToday's prices against last year's deals.
Price bandsSmart trainers by priceUnder $500, $500 to $1,000 and over $1,000, at brand-store prices.
Price bandsPower meters by priceUnder $500, $500 to $800 and over $800, at brand-store prices.
Price bandsGPS bike computers by priceUnder $250, $250 to $450 and over $450, at brand-store prices.
Price bandsGravel tires by priceUnder $65, $65 to $85 and over $85, at brand-store prices.
Price bandsRoad tires by priceUnder $70, $70 to $100 and over $100, at brand-store prices.
Price bandsWinter cycling jackets by priceUnder $250, $250 to $350 and over $350, with each brand’s own temperature range.
Price bandsWinter cycling gloves by priceUnder $60, $60 to $100 and over $100, with each brand’s own temperature range.
Price bandsWinter cycling tights by priceUnder $150 to over $300, with each brand’s own temperature range.
Price bandsWomen’s winter cycling jackets by priceUnder $200 to over $300, with each brand’s own temperature range.
Price bandsWinter cycling overshoes by priceUnder $60, $60 to $100 and over $100, with each brand’s own temperature range.
Price bandsBike lights and rear radar by priceUnder $50 to over $200: front, rear and radar lights, with each brand’s own lumens and run times.
Gift guideGifts for cyclists by priceUnder $50 to $500 and up, from tires and gloves to GPS, power and trainers.
Power profilePower-to-weight chartCoggan's W/kg table, untrained to world class, with a lookup.
Pro bikesWorldTour team bikes 2026What all 18 men’s WorldTeams ride, from team and brand pages.
Pro bikesWomen’s WorldTour team bikes 2026What all 14 women’s WorldTeams ride, from team and brand pages.
GroupsetsRoad and gravel groupsets 2026Every Shimano, SRAM and Campagnolo tier side by side, from the makers’ pages.
Famous climbsFamous climbsOfficial length and gradient, plus time at your watts.
All guides and tools
ToolRoadGravelTires & pressure
Tire pressure calculator
Front and rear pressure in psi and bar from your weight, tire width and riding surface. Road and gravel, tubeless or tubes.
ToolRoadGravel
Gear ratio calculator
Ratio, development in metres and speed at 90 rpm for every gear. Compare two setups, like 2x against 1x.
ToolPower metersTrainers
FTP and power zone calculator
Your FTP from a 20-minute or ramp test, watts per kilo, and all seven Coggan power zones in watts.
ToolRoadGravel
Chain length calculator
Chain length in links from your chainstay, largest chainring and largest cog, plus the Shimano and SRAM check on the bike.
ToolPower metersTrainers
Cycling calorie calculator
Work in kJ from average power and ride time, or straight from your head unit, and the calories it took, with the efficiency assumption shown.
ToolRoadGravel
Derailleur capacity checker
Will your rear derailleur take these chainrings and cassette? Total capacity and max cog, checked against Shimano, SRAM and Campagnolo specs.
ToolRoadGravel
What to wear by temperature
Pick the forecast and see what Rapha, POC, Canyon and Pactimo each recommend in their own temperature guides, side by side.
ToolRoadGravel
Saddle height calculator
Saddle height from your inseam by the LeMond, Genzling and Hamley & Thomas formulas, side by side, with what each one measures.
ToolGravelTires & pressureFrames & standards
Tire clearance lookup
Filter 14 gravel frames by brand or a minimum tire width. Max clearance only as the brands state it.
ToolRoadGravel
Chain wear thresholds
Park Tool, SRAM and Shimano published chain wear thresholds side by side. Optional elongation % go/no-go.
ToolRoadGravelTires & pressure
How much tubeless sealant
How much tubeless sealant by tire width, from 10 brands' own published figures, side by side.
ToolRoadGravelTires & pressure
Tire size converter
Convert 700x28c, 40-622, 29x2.2 and other marks to ISO/ETRTO, bead seat diameter and brand circumference charts.
ToolRoadGravelPower meters
Climb time calculator
How long a climb takes at your power, or the watts a target time needs, with VAM, W/kg and where the watts go.
ToolPower metersTrainers
Heart-rate zone calculator
Heart-rate zones in bpm from your threshold or max HR, by Joe Friel, Andrew Coggan, Polar and Garmin, side by side.
ToolPower metersTrainers
TSS calculator
Training Stress Score and Intensity Factor from your FTP, ride time and Normalized Power, with Coggan's reference ranges.
ToolRoadGravelTires & pressure
Rim and tire width checker
Enter your internal rim width: the tire range the ETRTO table, DT Swiss and ENVE each publish for it, plus hookless minimums.
ToolPower metersTrainers
VO2max from power
VO2max estimates from your ramp-test peak or best 5-minute power, by Storer, FRIEND and Sitko's published equations, side by side.
ToolRoadGravelTrainers
Ride fueling: carbs and fluid per hour
Carbohydrate and fluid per hour for your ride time, as Jeukendrup, the ACSM joint statement and the ISSN publish it, side by side, plus your sweat rate.
ToolRoadGravelPower meters
Cycling power and speed calculator
Your speed at a given power, or the watts a target speed takes, with gradient, position, wind and where the watts go.
ToolRoadGravel
Cycling size finder
Your measurements against 10 brands’ own size charts, side by side: jerseys, jackets, bibs and tights, men’s and women’s.
ToolRoadGravelTires & pressure
Tubeless valve length
Enter your rim depth and see what 6 valve makers’ own size guides recommend, side by side.
PrintableTrainers
Smart trainer setup checklist
Sixteen tickable checks for a direct-drive smart trainer, from freehub to fan, each sourced from the brand manuals. Print it or save as PDF.
Gravel
46/30 vs 48/31 gravel chainrings: which Shimano GRX double to pick
GRX 46/30 or 48/31: the real gear gap, weight, price and parts.
Trainers
Zwift Click vs Zwift Play vs Zwift Ride: which controller does what
What each Zwift controller does, which are still sold, and where they work.
Trainers
Zwift virtual gears vs real gears: ratios and what equals 34x28
Which Zwift virtual gear equals 34x28: Insider Mixed Terrain ratios (secondary) and the three 2x ranges.
RoadGravelBike computers
Garmin Edge 1050 vs Wahoo ELEMNT ACE: which bike computer fits you
Two flagship touchscreen computers, $200 apart.
RoadGravel
Road and gravel bike size by height: the brand charts side by side
What size road or gravel bike for your height? Trek, Giant and Canyon's own size charts side by side, plus inseam, stack and reach in plain words.
RoadGravelBike computers
Garmin Edge 850 vs Wahoo ELEMNT ROAM 3: which bike computer fits you
Two touchscreen computers with maps, $135 apart.
Trainers
Elite Avanti vs Wahoo KICKR CORE 2: which smart trainer fits you
Elite Avanti vs Wahoo KICKR CORE 2: US prices at Todson and Wahoo, freehub bodies by part code, and total cost with the body your bike needs.
Trainers
Ramp test vs 20-minute FTP test: which one should you do
Ramp test or 20-minute test: how Zwift, TrainerRoad, TrainingPeaks and Wahoo turn each into an FTP, what the research found, and which to pick.
RoadGravelTrainers
Winter indoor trainer setup checklist: everything to sort before your first ride inside
Fan, mat, sweat cover, bike fit, power, firmware, pairing and Wi-Fi: what to sort before your first indoor ride, from brand sources.
RoadGravelBike computers
Garmin Edge 550 vs Wahoo ELEMNT BOLT 3: which bike computer fits you
Two button-only bike computers, $150 apart.
Trainers
Tacx FLUX 2 vs Wahoo KICKR CORE 2: which smart trainer fits you
Two direct-drive smart trainers at about $500.
GravelFrames & standards
Shimano GRX 12-speed compatibility: cassettes, freehubs, wheels and chains
Which cassette, freehub body, wheel and chain each GRX 12-speed rear derailleur takes, from Shimano's spec tables and lineups, and the three places Shimano's own pages disagree.
Gravel
UNBOUND Gravel 2027 lottery: dates, distances and every way in
Lottery 1–15 Nov 2026, results 21 Nov; race Sat 5 Jun 2027 (XL Fri 4 Jun). Every way in, the deferral rules and where the organiser's pages disagree.
Trainers
JetBlack Victory vs Wahoo KICKR CORE 2: Zwift Cog trainers compared
JetBlack Victory vs Wahoo KICKR CORE 2 with Zwift Cog and Click: landed US price before tax, specs, cassette fit and source conflicts.
Tires & pressureTrainers
Wheel-on trainer tires: sizes, pressures and brand prices
Continental, Vittoria, Saris and Kinetic trainer tires: brand sizes, pressures, weights and US store prices checked 12 Oct 2026.
GravelTires & pressure
Hookless-compatible gravel tires: what each brand approves
Which gravel tires each tire and rim brand approves for hookless rims, at what pressure, with conflicts flagged.
Gravel
Big Sugar Gravel registration: dates, fees, waitlist and race-weekend notes
Race Sat 17 Oct 2026; deferral deadline 15 Oct 1 PM CST. Distances (COMING SOON), fees, waitlist pathways, packet rules. 2027 not announced.
Gravel
The Traka 2027 registration: dates, distances and status
Weekend 30 Apr–2 May 2027 in Girona. OPEN 100/200/300 sold out (waitlist); 300 PRO still open on RockTheSport. Distances and cut-offs from the organiser's pages.
Gravel
Lauf Gravel Worlds 2027 registration: dates, distances and fees
Week 25–29 Aug 2027 in Lincoln, NE; bike day Sat 28 Aug. Distances, Movemint fees, check-in and self-supported rules from the organiser's pages.
Gravel
SBT GRVL 2027 registration: dates, courses and fees
Random-selection window 14–31 Oct 2026, notify 5 Nov; race Sunday 27 Jun 2027. Courses, fees, packet pickup and deferral deadlines from the organiser's pages.
Trainers
Zwift Ride vs Wahoo KICKR BIKE SHIFT: smart frame plus trainer, or one smart bike
Zwift Ride V2 with KICKR CORE 2 vs Wahoo KICKR BIKE SHIFT: US prices and shipping, power, grade, shifting, fit and who each fits.
Trainers
Best indoor cycling apps for winter: Zwift and its alternatives compared
Zwift, Rouvy, TrainerRoad, MyWhoosh, Wahoo SYSTM, TrainingPeaks Virtual, Kinomap and FulGaz: prices from each pricing page, trials, devices and who supports Zwift Click shifting.
GravelTires & pressure
Best gravel tires by use: what the 2026 lab tests say
Gravel tires for fast hardpack, mixed routes and mud, from GRAN FONDO's 2026 lab test of 32 tires: its rolling resistance and puncture scores, US prices, and the Rambler casing question.
Trainers
Wahoo KICKR CORE 2 vs Van Rysel D500: both with Zwift Cog and Click
Wahoo KICKR CORE 2 vs Van Rysel D500 with Zwift Cog and Click: brand-listed US prices, power, grade, connectivity and who each fits.
Trainers
Zwift Cog compatible trainers: the full list, with firmware and parts
Which trainers ship Zwift Ready or take the Cog and Click Upgrade Kit, with brand-listed US prices for the Cog SKUs.
RoadPower metersPedals & cleats
SPD-SLR power meter pedals: none yet, and what to buy instead
None exist yet. Here is what to buy instead.
Trainers
Smart trainer buying guide: direct drive vs wheel-on
Direct drive or wheel-on, the specs that matter, the extra parts you may need, and current Wahoo, Tacx, Saris and Van Rysel trainers at brand-listed prices.
RoadGravelPower meters
Best-value power meters: brand-listed prices by type
Pedal, crank arm, spindle and spider power meters by brand-listed US price, sides measured, battery, and what the spare parts cost.
GravelPower metersPedals & cleats
SPD power meter pedals for gravel: Favero, Garmin, Look and SRM compared
Favero, Garmin, Look and SRM SPD power meter pedals compared on battery, charging, cleats, stack, road-body swaps and US list prices.
RoadTires & pressure
Are TPU inner tubes worth it?
TPU tubes against butyl, latex and tubeless: what BRR's drum test and a real-road roll-down show, plus repairs, rim brakes and hookless rims.
RoadGravelTires & pressure
How often should you top up tubeless sealant?
How often to check tubeless sealant on road and gravel, how much to use by tire width, and what shortens its life.
RoadGravelTires & pressure
Does rim width change tire width? Yes, and your pressure should follow
How much a wider rim widens your tire (the 0.4mm rule), what BRR measured, and how much it changes the pressure you should run.
RoadGravelPedals & cleats
Shimano SPD vs SPD-SL vs SPD-SLR: which cleats fit which pedals
SPD, SPD-SL and the new SPD-SLR: bolt patterns, which Shimano cleats fit which pedals, where the 2.3 mm stack claim comes from, and who should switch.
GravelTires & pressure
Gravel tire pressure for 40mm tires, and what changes at 38 or 45mm
Starting pressures for 38 to 45mm gravel tires by rider weight, the front/rear split, rim width effects and how far to go lower off-road.
RoadTires & pressure
Road tire pressure for 28, 30 and 32mm tires
Starting pressures for 28, 30 and 32mm road tires by rider weight, how rough roads and rim width change them, and where hookless limits get in the way.
GravelFrames & standards
UDH and SRAM Full Mount gravel frames: what fits, and what to check on a used bike
What UDH and SRAM Full Mount mean, which gravel frames the brands list as UDH, what else 13-speed XPLR needs, and a used-bike checklist.
GravelTires & pressureFrames & standards
Gravel bike tire clearance chart: what the brands actually state
Maximum tire width for popular gravel frames, only as the brands state it, with a note on whether each figure is a measured width or a stated max.
RoadGravelTrainers
Smart trainer compatibility for 12 and 13-speed drivetrains
Which freehub body your direct-drive trainer needs for SRAM XDR, 13-speed XPLR, Campagnolo 13 and Shimano 12-speed. Wahoo, Tacx, Elite and Zwift, from their own support pages.
RoadTires & pressure
Hookless-compatible road tires: every approved tire in one list
Which road tires the brands approve for hookless (TSS) rims, in which widths and at what maximum pressure. Continental, Pirelli, Vittoria, Hutchinson, Schwalbe, Giant and Zipp in one place.