Lesson 1Reassembly, torque finalization, lubrication points, and system-specific torque tablesBrings all systems back together with correct torque and lubrication suited to Eritrean dust. You will learn where to grease, where to use threadlocker, how to apply system-specific torque tables, and how to complete final safety checks.
Thread prep: grease, anti-seize, and threadlockerApply torque tables by system and materialBrake, shifting, and bearing final checksFastener recheck after initial torque passFinal safety sign-off and customer notesLesson 2Safety disassembly sequence and workholding: axle removal, wheel protection, torque wrench and stand setupDetails safe disassembly order and secure workholding for Eritrean workshops. You will learn how to support the bike in the stand, protect wheels and frame, remove axles correctly, and stage parts so that reassembly is efficient and clean.
Select and position repair standAxle removal and wheel handlingProtect frame, fork, and drivetrainOrganize small parts and fastenersTorque wrench selection and setupLesson 3Functional tests and test ride protocol: braking checks, shifting under load, bearing play, ride notes template for customer reportExplains how to perform controlled functional tests before teardown in local conditions. You will learn safe test ride setup, brake and shifting checks under load, bearing play assessment, and how to record structured ride notes for customers.
Pre-ride safety and environment checksStatic brake and shifting function testsBearing play and noise assessmentOn-road shifting and braking under loadRide notes template for customer reportsLesson 4Cockpit and contact points: stem/handlebar torque sequence, saddle/seatpost service, cable/hose routing, clamp torques and safety checksAddresses cockpit safety and rider contact points for Eritrean riders. You will learn correct stem and bar torque sequence, saddle and seatpost service, clamp interface prep, and how to verify safe cable and hose routing around controls.
Inspect stem, bar, and control interfacesTorque sequence for stem and handlebarSeatpost cleaning, lube, and insertion depthSaddle angle, setback, and height checksCable and hose routing at cockpit areaLesson 5Brake system service group: pad inspection, rotor wear measurement, caliper alignment checks, bleed preparation and torque values for hose/banjo/lever fittingsFocuses on systematic brake service for disc systems in Eritrea. You will learn pad and rotor wear limits, rotor runout checks, caliper alignment, hose and fitting torque values, and how to prepare for safe, clean brake bleeding.
Identify brake type and fluid requirementsPad wear limits and contamination checksRotor thickness, runout, and bolt torqueCaliper centering and mount interface prepHose, banjo, and lever fitting torque setupLesson 6Wheels and tires group: tubeless tape, valve service, rim bed inspection, spoke tension checks, true and dish procedures, tire seating and sealant refreshExplains a complete wheel and tire service workflow for Eritrean terrains. You will learn to inspect rim beds, service tubeless tape and valves, check spoke tension, correct true and dish, and safely seat tires with fresh sealant.
Rim bed and spoke hole inspectionTubeless tape and valve service stepsSpoke tension balance and problem spotsLateral, radial true, and dish checksTire mounting, seating, and sealant refreshLesson 7Initial intake and visual inspection: damage, alignment, wear indicators, photos, and documentation checklistCovers structured bike intake, documenting customer concerns from Eritrean rides, and performing a systematic visual inspection. You will learn to record damage, alignment, wear, capture photos, and complete a clear intake checklist.
Customer interview and service historyCheck frame, fork, and wheel alignmentInspect drivetrain, brakes, and contact pointsRecord serials, components, and accessoriesPhoto set and digital intake checklistLesson 8Drivetrain service steps: chain, cassette, chainring inspection and measurement; tools (chain wear tool, cassette lockring tool, torque wrench) and tolerancesDetails drivetrain wear assessment and service for dusty Eritrean conditions. You will learn to measure chain stretch, inspect cassette and chainrings, choose replacement timing, and use correct tools and torque for clean reassembly.
Chain wear measurement and replacementCassette removal, cleaning, and inspectionChainring tooth wear and damage checksReassembly torque for cassette and crankDrivetrain noise diagnosis after serviceLesson 9Frame, headset, bottom bracket, and bearings group: headset pre-load, bottom bracket inspection/replacement, hub bearing checks, tool list and torque specsGroups all major frame-supported bearings into one workflow for Eritrea. You will learn headset preload setup, bottom bracket inspection and replacement, hub bearing checks, and reference correct tools and torque specifications safely.
Headset inspection and preload settingBottom bracket type ID and tool selectionBottom bracket removal and installationFront and rear hub bearing assessmentTorque specs log for frame and bearingsLesson 10Rear derailleur and shifting: clutch check, pulley wear, B-tension, limit screws, indexing procedure, required tools and reference tolerancesCovers rear shifting diagnostics and adjustment for local use. You will learn to inspect derailleur clutch and pulleys, set B-tension and limit screws, route housing correctly, and complete precise indexing using manufacturer tolerances.
Check hanger alignment and derailleur mountClutch function and pulley wear inspectionSet high and low limit screws safelyB-tension setup by cog and tire clearanceCable tension and indexing fine adjustment
