Frames and framesets
Main/front triangle, rear triangle, stays, frame material, size, geometry, complete frameset specification.
PARTS DIRECTORY · MTB FIRST
Explore the bike, part by part.
34 component groups, with the smaller parts shown below each heading. Open a group’s manufacturer links to continue into products, fit resources and related systems.
Coverage is developing: this is a component map and manufacturer directory. Detailed model comparisons and compatibility records are available only where specifically shown.
01
Frame & fittings
Suspension linkage
Links/rockers, pivot axles, bolts, bearings, seals, spacers, washers, flip chips and adjustment hardware.
Frame fittings
Rear axle, derailleur hanger/UDH where applicable, cable guides, grommets, ports, bottle bosses/bolts, storage lids, guards, chainstay protection.
Manufacturers & related guides
02
Suspension
Fork assembly
Crown, steerer, stanchions, lowers, axle, air or coil spring, damper, adjusters, remote/lockout, seals, bushings and service kits.
Rear shock
Air can or coil spring, damper, shaft, reservoir, adjusters, remote, eyelet/trunnion mounting, bushings, reducers, bearings and mounting hardware.
03
Cockpit & controls
Headset
Upper/lower cups and bearings, crown race, compression ring, dust cover, spacers, top cap, preload bolt, star nut or compression plug.
Handlebar and stem
Flat/riser/drop bar, integrated cockpit, conventional/direct-mount stem, faceplate, bolts, spacers, mounts.
Hand contact
Grips, lock rings, bar-end plugs; tape and finishing parts for drop bars.
Cables, hoses and routing
Shift/dropper inner wires, housing, ferrules, end caps, hydraulic hose, connectors, guides, internal sleeves/dampers.
Manufacturers & related guides
04
Drivetrain & pedals
Open drivetrain & pedals guide
Shifting controls
Mechanical shifters, electronic controllers, drop-bar shift/brake controls, paddles, clamps and adapters.
Manufacturers & related guides
Derailleurs
Rear derailleur, cage, pulleys, clutch/service parts, hanger or mounting interface; front derailleur where used.
Cranksets
Left/right arms, spindle, spider/direct-mount interface, preload parts, bolts, spacers, boots.
Chainrings / chainwheels
Ring, tooth profile, offset, bolt circle/direct mount, bolts, spider; single/multiple-ring systems where applicable.
Bottom bracket
Bearings, cups, sleeve, seals, spacers, preload parts, fit kits and installation tools.
Cassette / sprockets
Sprockets, carrier, lockring, spacers; single-speed cog, driver or freewheel where relevant.
Chain
Exact chain family, links, connecting/quick link, joining tool, wear measurement, lubrication system.
Manufacturers & related guides
Chain management
Upper/lower guide, tensioner, rollers, bash guard, mounting hardware; idler systems and spider dampers where used.
Manufacturers & related guides
Pedals
Flat/clipless pedal body, axle, bearings, bushings, seals, traction pins, cleats, cleat bolts and shims.
05
Wheels & inflation
Complete wheelsets
Front/rear wheel variants, intended use, wheel dimensions, load restrictions, included accessories.
Rims
Material, internal/external width, diameter, bead profile, hole count, ERD, rim-specific washers and tape.
Hubsets
Front/rear shell, axle, end caps, bearings, seals, preload, freehub/driveshell, pawls/ratchets, springs, spacers and lubricant.
Spokes and nipples
Spoke shape/material, bend/head type, length, nipple material/size, washers, proprietary spoke systems.
Manufacturers & related guides
Tires
Size, tread, direction, front/rear use, casing, compound, bead, tubeless designation, pressure guidance.
Tubes
Diameter/width range, material, valve type/length, removable cores, patches and repair requirements.
Manufacturers & related guides
Tubeless
Rim tape, valve, core, seals/nut, sealant, tire insert, plugs, insertion tools, boot, inflation interface.
06
Braking
Brake assemblies
Lever/master cylinder, caliper, pistons, reach/contact adjustment, clamp, hose fittings and small parts.
Brake wear and fit parts
Pads, springs/pins, rotor, lockring/bolts, adapters, mounting bolts, hose, olive/barb, specified fluid, bleed fittings.
07
Saddles, posts & remotes
Open saddles, posts & remotes guide
Saddle
Shell, padding, width/shape, rails, rail dimensions, clamp interface and fit tools.
Seatpost and clamp
Rigid/suspension/dropper post, diameter, offset, head, saddle hardware, seat collar and approved shims.
Manufacturers & related guides
Dropper actuation
Remote, clamps/adapters, cable/housing, actuator, cartridge, seals/bushings, battery/charger where applicable.
Manufacturers & related guides
08
Electronics, equipment & care
Electronic and power systems
Shift/suspension/dropper batteries, chargers, controllers, wiring, firmware, pairing; crank/spider/pedal power measurement.
Manufacturers & related guides
E-bike drive system
Motor, mounts/bolts, cranks/chainring interface, battery, charger, range extender, wiring, display, remote, sensors, magnet and software.
Manufacturers & related guides
On-bike equipment
Bottle/cage, storage, tool carrier, pump, inflator, computer/sensor mounts, mudguards, straps, number-plate attachment.
Manufacturers & related guides
Care and service
Cleaner, degreaser, brushes, chain lube/wax, bearing grease, suspension fluids, assembly paste, specified thread treatment, tools and repair supplies.
Manufacturer catalogs reviewed September 28, 2026. These are product and service resources; listings do not establish compatibility, stock or sponsorship.