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Wrench

TRADE WORKSHOP

Specialist bicycle workshop for trade clients — shops, fleets, and frame builders.

Service Area

NATIONWIDE TRADE COVERAGE

Shipping partnerships with 48-hr turnaround for remote fleet clients.

Partner with Wrench

Certifications

SSC-4

Shimano Service Centre

SCM-2

SRAM Certified Mechanic

CTP

Campagnolo Technical Partner

PTE-L3

Park Tool Education

TPF

Trek Precision Fit

BEC

Bosch eBike Certified

Partner Voices

MH

Marcus Holloway

Owner, Spoke & Pedal Cycles

"Spring surge used to break us. Now we route overflow to Wrench and the queue doesn't back up past Tuesday."

— Portland, OR

IV

Ingrid Vasquez

Head of Production, Veloci Frames

"They torqued every carbon steerer to spec and documented each frame with photos. My builders stopped calling me with QC questions."

— Austin, TX

DO

Devon Okafor

Fleet Manager, Swift Courier Co.

"We burn through cassettes and chains weekly. The SLA means bikes are back in rotation before the next shift starts."

— Chicago, IL

PN

Priya Nair

Head Mechanic, Summit Cycles

"The hydraulic bleed quality is hospital-grade. I stopped worrying about lever feel after the first batch came back."

— Denver, CO

TR

Tom Reeves

Owner, Gearhead Workshop

"Electronic Di2 diagnostics that actually catch firmware ghosts. Worth every dollar of the diagnostic fee."

— Seattle, WA

MH

Marcus Holloway

Owner, Spoke & Pedal Cycles

"Spring surge used to break us. Now we route overflow to Wrench and the queue doesn't back up past Tuesday."

— Portland, OR

IV

Ingrid Vasquez

Head of Production, Veloci Frames

"They torqued every carbon steerer to spec and documented each frame with photos. My builders stopped calling me with QC questions."

— Austin, TX

DO

Devon Okafor

Fleet Manager, Swift Courier Co.

"We burn through cassettes and chains weekly. The SLA means bikes are back in rotation before the next shift starts."

— Chicago, IL

PN

Priya Nair

Head Mechanic, Summit Cycles

"The hydraulic bleed quality is hospital-grade. I stopped worrying about lever feel after the first batch came back."

— Denver, CO

TR

Tom Reeves

Owner, Gearhead Workshop

"Electronic Di2 diagnostics that actually catch firmware ghosts. Worth every dollar of the diagnostic fee."

— Seattle, WA

Service Area Report · Vol. 4 · 2026Wrench Trade Workshop

Annual throughput · verified

4,212 wheels trued
this year.

Zero comebacks.

Every wheel leaves with tension balanced to within half a spoke. Every bottom bracket faced to the hundredth of a millimetre. These aren't promises — they're the production numbers from the last twelve months of trade work.

0.0hrs

Avg. turnaround

0

Fleet contracts active

0%

Repeat partnership rate

0

Wheels trued this month

Metrics drawn from Wrench workshop logs, Jan–Dec 2025. Turnaround measured from drop-off to collection sign-off. Partnership rate reflects clients returning for second contracted season.

Feature Spread

The Department

Three specialisations. Three practitioners. The throughput data behind each profile is drawn from the same workshop logs as the front-page numbers.

Vol. 4 · No. 1·Hydraulic Brake Systems
Workshop Bay 2
Bicycle mechanic working on hydraulic brake system in workshop

Rafael Estrada

11 years at bench

ShimanoSRAMMagura

"A brake that feels vague at the lever is a brake that will fail under load. We don't ship vague."

847systems bled this year

Zero contamination callbacks in 847 bleeds — verified by fleet inspection logs.

Tool of Choice

Magura Bleed Kit MT-Pro + custom vacuum reservoir

Rafael runs a modified vacuum-bleed setup that draws mineral oil from the caliper upward — eliminating micro-bubbles that standard gravity bleeds leave behind. The lever feel difference is immediate.

Hydraulic brake service is where most shops lose time and credibility. A bleed that isn't clean enough shows up six weeks later as a soft lever mid-descent — and that call goes to the shop that sold the bike, not the one that did the service.

Rafael's protocol starts with a full system flush regardless of fluid age. Contaminated mineral oil is colourless until it's degraded past the point of usefulness. By the time it looks wrong, it's already wrong. Every Wrench bleed uses fresh fluid from sealed bottles opened that day.

Caliper alignment is checked with a feeler gauge against the rotor. Pad contamination — even from a fingerprint on the rotor during a wheel swap — is tested with a controlled braking run before sign-off. The documentation sheet that leaves with every bike includes the specific fluid batch number and the measured lever engagement point in millimetres.

Systems covered:ShimanoSRAMMaguraCampagnoloTRPFormula
Vol. 4 · No. 2·Electronic Groupset Diagnostics
Workshop Bay 4
Electronic bicycle groupset diagnostic work in professional workshop

Saoirse Brennan

8 years at bench

Shimano Di2SRAM AXSCampagnolo EPS

"Di2 and AXS aren't magic. They're firmware, junction boxes, and voltage. Once you read the data, the guess-work disappears."

203groupsets diagnosed & configured

Average diagnostic time: 38 minutes. Average field-failure rate post-service: 0.4%.

Tool of Choice

Shimano E-tube Project Pro + SRAM AXS app diagnostic suite

Saoirse runs every electronic groupset through a full diagnostic cycle before touching hardware. Firmware ghosts — where a system misbehaves without showing an error code — are caught at the software layer, not after two hours of cable tracing.

Electronic shifting has eliminated the mechanical adjustment variables that made drivetrain service time-consuming. What it introduced instead is a diagnostic layer that most shops haven't invested in understanding. A Di2 system that won't shift under load isn't broken — it's usually reporting a battery voltage drop during high-draw moments that a resting voltage test won't catch.

Saoirse's diagnostic sequence runs the system under simulated load conditions using a resistance trainer, logging junction box voltage and shift response time at every gear combination. The data export goes into the service record. Fleet managers can see exactly which bikes are developing battery degradation before it becomes a field failure.

AXS firmware updates are staged and verified — Saoirse maintains a local firmware archive so updates aren't pulled live from SRAM's servers during a service window. Component pairing and custom shift mode configuration are documented in a per-bike profile that travels with the fleet.

Systems covered:Shimano Di2SRAM AXSCampagnolo EPSMahle eBikemotionClassified
Vol. 4 · No. 3·Carbon Frame Inspection & QC
Workshop Bay 1
Carbon bicycle frame inspection in professional workshop setting

Yuki Tanaka

14 years at bench

TrekSpecializedPinarello

"Carbon doesn't announce damage. You look for it, methodically, or you miss it — and missing it has consequences that metal frames simply don't have."

129frames inspected & cleared

Every inspected frame receives a signed QC certificate with acoustic test grid documentation.

Tool of Choice

Park Tool TTI-1 torque indicator + Calfee tap-test protocol

Yuki uses a structured tap-test grid mapped to each frame geometry, logging resonance changes against a baseline acoustic profile. Delamination shows up as a pitch change before it's visible. The grid is documented with photos and filed with the frame's serial number.

Carbon frame inspection for boutique builders is a different discipline than post-crash assessment for a retail customer. The builder needs to know that every frame leaving their facility meets the specification the customer paid for — that the layup is clean, the bond lines are complete, and the finish prep hasn't introduced surface stress risers.

Yuki's QC protocol for frame builders begins at bare carbon, before paint. A structured lighting inspection at low angle catches surface voids and resin pooling that disappear under a coat of primer. Every threaded insert is checked for perpendicularity with a precision square. Bottom bracket shells are faced and chased as standard — not as an add-on.

For fleet managers, the inspection protocol shifts to post-ride structural assessment. Courier bikes absorb kerb impacts and pothole loading that accumulates invisibly in the chainstay and fork crown. Yuki's quarterly inspection schedule catches developing delamination before it progresses to failure, keeping the fleet legal and the liability manageable.

Systems covered:TrekSpecializedPinarelloCervéloBespoke / CustomBMC

Partnership Brief

Built for operations
that can't afford downtime.

Wrench operates as a bolt-on workshop department for trade clients. Fleet contracts include guaranteed SLA windows, priority bay access, and a dedicated point of contact who knows your bikes and your schedule.

Shop Overflow

Spring surge and holiday backlog absorbed without turning customers away. Your brand, our bays.

72hrmax turnaround

Fleet Contracts

Monthly or quarterly service cycles for courier fleets. Drivetrain replacement, brake service, wheel build.

23active fleet contracts

Builder QC

Final assembly, torque verification, and documentation for boutique frame builders. Every bike leaves with a signed QC sheet.

129frames cleared this year

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