Workshop · Service & repairs · King's Lynn, Norfolk

Built to ride. Kept that way.

Specialist workshop for Sur-Ron, Talaria and other electric motorbikes, plus e-bikes, in King's Lynn. Clear "from" prices, a written estimate before any work, and collection across West Norfolk.

Repairs

Repairs for e-motos and e-bikes: brakes, suspension, wheels and tyres, bearings, chains and sprockets, wiring, throttles and crash damage.

Labour £65/hr · fixed prices on the menu below

Get a quote →

Motor diagnostics

Fault-finding on hub, mid-drive and e-moto motors, controllers and sensors: cut-outs, power loss, error codes, noises and overheating.

From £49

Book in →

Battery diagnostics & health checks

A full load test of real capacity plus cell-balance and BMS checks, with a printed health certificate. Batteries are tested in-house. Any cell or BMS work is done by an approved specialist.

Health report from £45

Book a health check →

Upgrades

Quality parts and performance upgrades, fitted properly and set up for you: suspension, brakes, bars, lighting, controllers and batteries from reputable brands.

Off-road performance upgrades are for private land only, and we ask for a signed waiver. They may affect your warranty and insurance.

Performance Fit £199 · fitting from £65

See upgrade packages & prices → Book a Performance Fit →

E-bikes

Servicing, repairs and sales for electric bicycles, from safety checks and brake bleeds to full strip-down overhauls. Looking for a new e-bike? Ask about e-bikes.

Safety check £29 · service from £69

Book a service → Ask about e-bikes →

How it works

1Send a booking request
2We send a written estimate and date
3Drop off in King's Lynn (PE30) or we collect
4Ride away, with 3 months' workmanship guarantee

Workshop packages

Our most popular jobs, at fixed prices.

Health Check

from£49e-bike · £69 e-moto

Printed health report + battery test

Diagnostic scan, battery capacity test and full safety inspection with a printed health report and costed recommendations. E-bike £49, e-moto £69.

⏱ 1–1.5 hrs

Book in

Most complete

Full Service Plus

from£169

Free Zone 1 collection & return

Our top e-moto service: Full Service, gearbox oil change, battery health certificate, firmware/controller check and free Zone 1 collection and return.

⏱ 1 day

Book in

Winter Prep

from£59e-bike · £79 e-moto

Or £209 with winter storage (e-moto, Nov–Mar)

Deep clean and protective coating, connectors sealed with dielectric grease, chain and bolts protected, battery tested and set to storage charge, tyres and brakes checked. Add winter storage for £149 (e-moto).

⏱ 1.5–2 hrs

Book in

Pre-purchase Inspection

from£59e-bike · £79 e-moto

Refundable against our used stock

Independent inspection before you buy a used e-bike or e-moto, with a written report, battery certificate and repair estimate. Refunded if you buy from our used stock.

⏱ 1–1.5 hrs

Book in

Off-road only

Performance Fit

from£199

Off-road / private land only · signed waiver

Controller fitted, tuned to your riding, plus a post-fit safety and thermal check. Off-road use only; signed waiver required.

⏱ 3–4 hrs

Book in

Labour rate£65/hrCharged in 15-minute units. Every job is quoted and approved first.

Collection & return

Zone 1≤10 miles: King's Lynn PE30–PE34£25 return (free with Full Service)
Zone 210–25 miles: Downham Mkt, Hunstanton, Wisbech, Swaffham£45 return
Zone 325–40 miles: Spalding, Fakenham, Ely, Thetford£69 return; beyond 40 mi £1.50/mile

The small print, up front

No VAT to add
Parts are extra
Written estimate before any work
3-month workmanship guarantee

We don't derestrict road-legal e-bikes. Performance upgrades are for off-road/private land use only. We work on EAPC e-bikes to UK rules (250 W, 15.5 mph) and never derestrict road-registered e-motos.

Full workshop price listAll services · from-prices

E-bike servicing

E-bike Safety Check (no repairs)Visual and functional safety inspection with a written list of recommendations. The £29 comes off any work booked within 30 days.
£29
E-bike Basic ServiceSafety check, gears and brakes adjusted, drivetrain cleaned and lubed, bolts torqued, tyres checked, display, modes and connectors tested, test ride. Parts extra.
£69
E-bike Full ServiceEverything in the Basic Service, plus drivetrain deep clean, wheels trued, hydraulic brakes bled (one system; the second is +£25), hub, headset and BB checked, manufacturer diagnostic report and firmware update where supported. Parts extra.
£129
E-bike Strip-down OverhaulFull strip-down to the frame: every part cleaned, inspected, greased and rebuilt, all bearings serviced, brakes bled, wheels trued in the stand, full e-system report. Parts extra.
£199

E-moto servicing

E-moto First Service (Sur-Ron/Talaria, ~300 km / 3 months)Running-in service to Sur-Ron's schedule: full bolt and torque check, spokes tensioned, chain adjusted, brakes checked, lubrication, electrical and diagnostic check. Free on bikes bought from RJSXtreme.
£75
E-moto Basic ServiceSafety and torque check, spokes, brakes and levers, chain clean, lube and tension, suspension and headset checks, wiring and connector inspection, error-code check, test ride, written health report.
£89
E-moto Full ServiceAnnual or every 1,000 km. Everything in the Basic Service, plus brake fluid refreshed front and rear, chain off and deep-cleaned, bearings and play checked, full diagnostic check of the controller, motor and battery, wash and dry. Parts extra.
£135
E-moto Reduction Gearbox Oil Change (where applicable)Drain and refill the reduction gearbox with the correct oil, check for leaks, plus a quick safety check. Oil included.
£59 incl. oil

Diagnostics

E-moto Fault Diagnosis (first hour)Structured fault-finding for bikes that won't power on, cut out, lose power, won't charge or show error codes. Includes a written diagnosis and repair quote. The fee comes off the repair if you go ahead.
£59 (then £65/hr)
E-bike Electrical DiagnosisFull check of the battery, motor, display, sensors and wiring, with a diagnostic printout where the system supports it. Repair quoted separately.
£49
Motor Diagnostic (hub/mid-drive/e-moto)Tests hall sensors, phase wiring, bearing noise and power delivery. Repair options quoted before any work.
£49
Battery Capacity Test & Health ReportA full charge-and-discharge load test that measures real capacity (Ah/Wh) against the original, plus cell-balance and BMS checks, with a printed battery health certificate.
£45
Controller & Wiring Fault-findingTracing intermittent cut-outs, throttle, kill-switch or brake cut-off faults, loom damage and connector corrosion. Billed at the hourly rate with a cap agreed up front.
£65/hr (min 1 hr)

Battery

Battery Repair / Cell Rebuild / BMS Replacement (referred to specialist)We test your battery and, if it can be repaired, send it to an approved specialist for cell or BMS work, then refit and retest it. For fire-safety reasons we don't open lithium packs on site.
£29 handling + specialist quote
Sur-Ron Battery LCD Screen Replacement (via official route)Faulty battery display? We check it's only the screen, then send the battery through Sur-Ron UK's official repair route with factory tooling, and retest it on its return.
£139

Tyres & wheels

E-moto Tyre/Tube Fit – Front (labour)Front wheel off and refitted, tyre or tube fitted, bead seated, pressures set, safety check. Tyre and tube extra.
£35
E-moto Tyre/Tube Fit – Rear (labour)Rear wheel off, tyre or tube fitted, chain tension and wheel alignment set, brake checked, test ride. Parts extra.
£45
E-bike Puncture / Tube FitTube replaced and tyre checked on any e-bike. Hub-motor rear wheels £35. Tube extra (or supplied).
£25 (hub-motor rear £35)
Wheel True – E-bikeLateral and radial true with spoke tension check. Spokes extra.
£20
Wheel True / Spoke Tension – E-motoSpoke tension check and minor true for Sur-Ron/Talaria wheels. Cracked rims or seized spokes are quoted separately.
£39

Brakes

E-moto Brake Pads Fit (per caliper, labour)Caliper cleaned, pistons checked, pads fitted and bedded in. Pads extra.
£25
E-moto Brake Bleed (single / pair)Fresh mineral oil or DOT fluid (to the manufacturer's spec), air removed, lever feel restored, brake tested. Fluid included.
£35 single / £59 pair
E-bike Hydraulic Brake Bleed (single)Brake bled with the correct fluid, pads and rotor checked, brake centred. Fluid included.
£35
E-bike Disc Pads Fit (per brake, labour)Pads fitted, caliper cleaned and centred, bedded in. Pads extra.
£19

Drivetrain

E-moto Chain ReplacementOld chain removed, new chain fitted, split to length, tensioned and aligned. Chain extra.
£35
E-moto Chain & Sprocket Set ReplacementFront and rear sprockets plus chain replaced, alignment and tension set, test ride. Parts extra. Popular with a gearing change.
£59
E-moto Chain Clean, Lube & AdjustChain cleaned, lubricated and tensioned, wheel aligned, chain and sprocket wear measured.
£20
Sur-Ron Primary Belt Replacement (labour)Primary drive belt replaced and tensioned, pulleys and jackshaft bearings inspected. Belt extra.
£99
Sur-Ron Jackshaft Bearing ReplacementJackshaft stripped, bearings pressed out and replaced, reassembled and tensioned. Bearings extra.
£109
E-bike Chain / Cassette FitWorn chain and/or cassette replaced, gears indexed under load. Parts extra.
£15 chain / £29 chain+cassette

Suspension

E-bike Fork Service (lowers / full)Lowers removed, seals and foam rings cleaned or replaced, fresh oil, stanchions inspected. Service kit extra.
£79
E-bike Rear Shock Air-can ServiceAir can stripped, cleaned, re-sealed and set up to rider weight. Seals extra.
£59
E-moto Fork Oil & Seal Service (Sur-Ron/Talaria)Both fork legs stripped, fresh fork oil to spec, new oil and dust seals, bushings inspected. Seals extra. Cartridge revalving by referral.
£129
E-moto Rear Shock Service (referral + fit)Shock removed and sent to our suspension specialist for rebuild or revalve, then refitted and set up for your weight.
£59 remove/refit + specialist cost

Bearings

E-moto Wheel Bearings (per wheel)Old bearings pressed out, new sealed bearings fitted, spacers checked. Bearings extra.
£45
E-moto Headset Bearing ReplacementHeadset bearings and races replaced, steering preload set. Bearings extra.
£65
E-bike Hub or Bottom Bracket ServiceHub or BB bearings serviced or replaced and adjusted. Bearings extra.
£29

Fitting & setup

Accessory Fitting – small item (lights, mudguard, rack, grips, bell)We fit your accessories properly and securely. Free fitting on accessories bought from RJSXtreme.
£15 per item (free when bought from us)
E-moto Handlebar / Bar-Riser SwapBars swapped with levers, throttle, switchgear and cables re-routed and set up. Parts extra.
£39
E-moto Throttle / Brake-lever / Switch FitThrottle, lever, cut-off switch or switchgear fitted and tested (including brake cut-off operation). Parts extra.
£39
E-moto Off-road Lighting / Light-switch FitAftermarket lighting and switches wired neatly and fused. Note: extra lights do not make an off-road bike road-legal.
From £45
E-moto Graphics / Decal Kit FittingPlastics removed and cleaned, full graphics kit applied bubble-free, refitted. Kit extra.
From £99
Firmware Update / App SetupLatest firmware installed (where the manufacturer allows), service reminder reset, app paired and rider modes explained.
£29 (free with Full Service)
Online-bought E-bike Build & PDIBoxed bike built, adjusted, torqued, firmware checked and road-tested to pre-delivery standard.
£79

Upgrades

Sur-Ron Performance Controller Fit & Setup (off-road only) Off-road onlyAftermarket controller (e.g. KO/ASI/EBMX) installed, wired and set up with a baseline map. Off-road use only; signed waiver required. Not available on road-registered bikes.
£149 (incl. basic setup)
Sur-Ron Upgrade Battery Fit (off-road only) Off-road onlyHigh-capacity or higher-voltage battery fitted, connectors and charger compatibility checked. We only fit batteries from reputable brands with a proper BMS. Off-road only.
£59
Sur-Ron Upgrade Motor Fit (off-road only) Off-road onlyPerformance motor swapped, phase and hall wiring connected, sprocket alignment checked. Setup/tuning £69 extra if a new controller is fitted. Off-road only.
From £129
Controller Tuning / Configuration (off-road only) Off-road onlyPower, regen and throttle maps set to your riding. Off-road bikes only. We never derestrict road-registered bikes or EAPC e-bikes.
£69
E-moto Fork or Shock Swap (upgrade fitting)Aftermarket fork or shock fitted, torqued and sag set to rider weight. Parts extra.
£65 each

Inspection

Pre-purchase Inspection – E-bikeBuying second-hand? We check the frame, drivetrain, brakes, motor and battery (with a capacity test), look for crash damage and signs of modification, and give you a written report with estimated repair costs.
£59
Pre-purchase Inspection – E-moto (Sur-Ron/Talaria)Full independent check before you buy a used Sur-Ron or Talaria: frame and swingarm, bearings, suspension, drivetrain, brakes, error-code scan, battery load test, frame/VIN check and signs of modification, with a written report and value guide.
£79

Collection & mobile

Collection & Return – Zone 1 (≤10 miles: King's Lynn PE30–PE34)We collect and return your bike in our van. Zone 1 (within 10 miles of King's Lynn): £25 return, free with any Full Service.
£25 return (free with Full Service)
Collection & Return – Zone 2 (10–25 miles: Downham Mkt, Hunstanton, Wisbech, Swaffham)Zone 2 (10–25 miles): £45 return.
£45 return
Collection & Return – Zone 3 (25–40 miles: Spalding, Fakenham, Ely, Thetford)Zone 3 (25–40 miles): £69 return. Further afield: quoted at £1.50 per mile.
£69 return; beyond 40 mi £1.50/mile
Mobile Call-out (e-bikes; small jobs at home/work)Puncture or adjustment at your home or work within 10 miles of King's Lynn. £25 call-out plus the job price.
£25 + job price (Zone 1)

Storage & winter

Winter Storage – E-bike (per month)Secure, insured indoor storage. The battery is stored separately at storage charge and topped up monthly.
£20/month
Winter Storage – E-moto (per month / Nov–Mar)Secure indoor storage with battery maintenance (stored at storage charge, balanced and topped up monthly). £149 for the whole winter.
£35/month or £149 for Nov–Mar

Sales services

Sell-on-behalf / Sale or Return (used e-bike or e-moto)We sell your bike for you: inspection, prep, photos, advertising and a safe handover. You set the minimum price. 15% commission (minimum £150), only if it sells. Or ask for an instant part-exchange offer.
from £150
15% (min £150) + prep at cost
Part-exchange ValuationFree part-exchange valuation against any new or used bike from RJSXtreme.
Free (inspection £79 if not trading in)

Conversions

E-bike Conversion Kit Fitting (EAPC-legal 250 W only)Turn your bike into a road-legal e-bike (250 W, 15.5 mph pedal assist). Includes fitting, programming and a safety check. We only fit compliant kits with approved batteries.
£169 (our kit) / £199 (your kit)

Labour prices; parts extra unless stated. All work quoted and approved before we start. Workmanship guaranteed for 3 months. We only work on EAPC e-bikes to UK rules (250 W, 15.5 mph) and will not derestrict road e-bikes or road-registered e-motos. Performance upgrades are for off-road bikes used on private land only, with a signed waiver.

Book in or get a quote

Tell us about your bike and what it needs. We'll send you a written estimate and a date before any work starts.

Workshop in King's Lynn, Norfolk. Collection and return is available from £25 (Zone 1) and free with any Full Service.

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No payment is taken now. Parts are extra, and you get a written estimate before any work.

Off-road use only. The Sur-Ron, Talaria, RFN and E RIDE PRO bikes offered here (all off-road versions) are not road legal in the UK. They must not be used on public roads, pavements, bridleways or public land. Use them only on private land with the landowner's permission or at permitted venues. RJSXtreme is an independent specialist, not an official or authorised Sur-Ron, Talaria, RFN or E RIDE PRO dealer.

Built to ride. Kept that way.

Repairs

Motor diagnostics

Battery diagnostics & health checks

Upgrades

E-bikes

How it works

Workshop packages

Health Check

Full Service Plus

Winter Prep

Pre-purchase Inspection

Performance Fit

E-bike servicing

E-moto servicing

Diagnostics

Battery

Tyres & wheels

Brakes

Drivetrain

Suspension

Bearings

Fitting & setup

Upgrades

Inspection

Collection & mobile

Storage & winter

Sales services

Conversions

Book in or get a quote

Booking request received.

Talk to a specialist

Built to ride. Kept that way.

Workshop services

Repairs

Motor diagnostics

Battery diagnostics & health checks

Upgrades

E-bikes

How it works

Workshop packages

Health Check

Full Service Plus

Winter Prep

Pre-purchase Inspection

Performance Fit

E-bike servicing

E-moto servicing

Diagnostics

Battery

Tyres & wheels

Brakes

Drivetrain

Suspension

Bearings

Fitting & setup

Upgrades

Inspection

Collection & mobile

Storage & winter

Sales services

Conversions

Book in or get a quote

Booking request received.

Talk to a specialist