Lennard Zinn

Singletrack.com's Lennard Zinn explains how to install and adjust these Hayes Sole clamp-type levers.

Singletrack.com's Lennard Zinn shows us how to install and adjust these Hayes El Camino flip-able levers.

Singletrack.com's Lennard Zinn explains how to adjust the return spring on V brakes.

Singletrack.com's Lennard Zinn demonstrates how to install and adjust Avid levers.

Singletrack.com's Lennard Zinn details cutting and fitting a hose on Shimano systems.

Any install and overhaul can be tricky. Luckily, Singletrack.com's Lennard Zinn is here to help with the TruVativ GXP.

Here is a Mavic free hub overhaul shown by Singletrack.com's Lennard Zinn.

Singletrack.com's Lennard Zinn shows us how to install a rear brake hose.

Lennard fields questions about thumping front rims, removing stickers from carbon and malfunctioning Shimano Di2 shifters.

Singletrack.com's Lennard Zinn explains how to take apart, adjust, and install a threadless standard headset.

Singletrack.com's Lennard Zinn talks setting sag on a Fox fork for optimal performance.

Singletrack.com's Lennard Zinn shows us how to cut and install new Avid Juicy brakes.

LZ fields questions on Mario's bikes, disc brake rotors, seized bottom brackets and power meter drag

At an incredible 278 grams including rotor, Magura's MT series of brakes offer great modulation, power and resistance to heat, drag and squeal.

Singletrack.com's Lennard Zinn solves the always annoying clicking and skipping dilemma by making a few quick and easy adjustments.

Singletrack.com's Lennard Zinn demonstrates the complexities of maintaining your rear-shock air-sleeve.

Lennard Zinn takes a closer look at Peter Denk’s latest creation, the new Cannondale SuperSix Evo.

For Lennard Zinn - who might be 'too tall to race' - bad rules, excessive taxes and a silly sticker mean the UCI is out of control.

Singletrack.com's Lennard Zinn demonstrates the process of installing tires with 'no tubes.'

Lennard Zinn says Specialized's new drop-post is lighter, offers more range

Singletrack.com's Lennard Zinn repairs a loose bearing on a Shimano Octalink bottom bracket.

Tech meister Lennard Zinn explains Shimano's tweaks to its line

OK, we have another bottom bracket standard to consider. Lennard Zinn explains why it might make sense.

A reader has a new set of wheels with tubeless tires, but the darn things leak. Lennard goes through the steps that you - or your bike shop - need to follow to keep air where it belongs.

More on 2x drivetrains; why twitchy or slow and a thought on clean brake fluid

Yes, even tech meister Lennard Zinn has fouled up disc brake bleeds. He tells how not to…

The process of installing hose cables can be very tricky. Luckily we have Singletrack.com's Lennard Zinn to show us how to install the front hose cables on your mountain bike.

Here is an overview and routing of the rear cable on V brakes. Singletrack.com's Lennard Zinn makes it look easy, and so can you.

More on mixin' and matchin' drivetrains: SRAM 9 and 10 speeds

Readers ask about getting the correct shoe and putting that cool crank set on a bike not designed to take it.

Can you convert your 3X9 drivetrain to a 2X9? LZ has the answer

Vibration relief, wide-range gearing options and nano health

LZ goes out and finds all you ever wanted to know about disc brake pads

Lennard takes questions on the safety of breathing carbon fiber dust and premature bottom bracket wear

Ever heard of Shimano Capreo? If not, read on to learn more…

Hutchinson explains why Lance's tires were probably UCI-compliant and Lennard answers more questions about stack-and-reach, Di2 brakes and more

A reader asks if a product long used by pros is only now coming to the market, how can it be 'legal' under UCI rules?

Lennard Zinn says you can use your 3x shifters on a 2x drivetrain.

The merits of tubular tape, more on the stack-and-reach concept, Mavic freehubs and more

Yes, some people still run v-brakes. LZ answers their questions too. Also, old/new helmets...

Readers and industry types offer some follow-up tips regarding recent columns.

Lennard Zinn on MTB bike storage and Shimano chains

Lennard takes a look back at the cyclocross brakes that worked for him during the season

LZ weighs in on the when's & why's of saddle replacement

Chainring flex, mid-foot cleats, bottom bracket drilling and more

Readers and companies offer feedback on Zinn's recent New Year's resolutions for the bike industry.

A reader asks Lennard Zinn about running Shimano chains on SRAM cassettes.

LZ has some humble suggestions for improvements to the way bikes are made.

Lennard Zinn on mixing drivetrains, crank lengths and more.

Lennard Zinn weighs in on running a Shimano-SRAM combo as well as road and MTB setups.

Readers ask how to center those Shorties and suggest how to pull that Campagnolo crank.

Give your bike nut a chain-wear gauge for Christmas instead of major drivetrain goodies.

A world renowned procrastinator, Lennard Zinn offers up some cool ideas for last-minute gifts for the bike geeks on your list.

Lennard Zinn asks around about how to keep your shoe soles from getting trashed by pedals.

Lennard fields readers' questions and comments regarding recent columns.

How do you protect the carbon soles on your spiffy new Sidis?

Lennard says some folks have hopes that are too high for latex-based tire sealants.

LZ's book 'Zinn & the Art of Mountain Bike Maintenance' is the world's best-seller on MTB repair

A reader wonders why deep-section carbon rims are so popular in the most non-aerodynamic discipline in cycling.

Singletrack.com's resident wrench Lennard Zinn says these Sidi kicks are great for MTB and cyclocross.

Singletrack.com's Tech Meister, Lennard Zinn, weighs in on tubes and drop seatposts.

Lennard and readers discuss the care and handling of tubulars at the end of the season and the intricacies of proper gluing methods.

A reader asks if tire sealant is ruining his tubulars, and another asks for a second opinion on a frame stiffness conundrum.

A reader says his new 2x10 drivetrain was the wrong choice. Tech-guru Lennard Zinn says a modification is possible.

A reader struggles with chain-suck, another asks about a wide range of gearing.

Lennard fields questions on pealing AquaSeal, Campy's electronic group and pricing, clicking Zipps, nitrogen-inflated tires and water-in-the-frame syndrome.

A riding reader asks Singletrack.com's tech expert Lennard Zinn about greasing the seatpost in his new carbon Gary Fisher Superfly Elite. And how do you keep carbon clean? LZ has the scoop…

Lennard looks to one of cycling's most thoughtful mechanics to explore the question of brake shudder and stopping power

Lennard Zinn takes a look at some new products for the installation, removal and inflation of tires, plus a quick look at new wheels for wider (read cyclocross) tires, from HED and Mondo.

A riding reader wants to know why the big manufacturers aren't making 172.5mm mountain bike cranks anymore. Singletrack.com's resident-wrench, Lennard Zinn, ventures a guess or two…

Singletrack.com's resident wrench Lennard Zinn has the latest on DT Swiss' efforts at stepping up its line of suspension forks.

Readers wonder about pumping tires to proper pressure ... and keeping it that way.

Lennard Zinn guides you through the steps for gluing a ’cross tubular tire so it won’t come off.

VIDEO: Master bike technician Lennard Zinn does a step-by-step on bleeding a Shimano hydraulic disc brake.

Tech guru Lennard Zinn says that perhaps what's not said about Shimano XTR philosophy is that there clearly has been a fundamental shift about what the venerable XTR group actually symbolizes.

Removing Campagnolo’s new Power Torque crankset is still an issue.

Singletrack.com's resident wrench, Lennard Zinn, has a word to the wise: If you're buying superlight disc-brake wheels, DO NOT inflate to the rated pressure on the side of the tire.

Lennard takes questions on rear-wheel spacing, removing a tubular without harming it and mystery noise from a Zipp wheel.