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Silca Ypsilon Wrench

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Product Description

The Ypsilon (pronounced ip.si.lon) is SILCA’s take on the unassuming Y-wrench. Pro mechanics, bike shops, and avid home mechanics have long preferred the layout of this tool due to the ergonomic benefits that make it more convenient and more enjoyable to use. Most tools in this layout feature 4mm, 5mm and 6mm keys; meaning that the wrenches for some of the most common use cases in cycling are readily available in one tool. The shape of the Y-wrench also offers superior control and stability over traditional hex keys, especially in tighter work spaces.

Like everything SILCA do, the Ypsilon was designed by a team of engineers and mechanics who obsess over every fine detail. Unlike traditional Y-wrench designs, Ypsilon is customizable and adaptable to the mechanic’s preferences. SILCA were able to do this by using a ¼” bit collet with magnetic attachment in place of one of the 6mm hex wrench. This departure from the traditional Y-wrench design was inspired by the versatility of the T-Ratchet + Ti Torque kit, and means that Ypsilon can easily transform into any tool you need simply by swapping out the bit. The other two ends of the tool are 4mm and 5mm hex keys.

Another key benefit of Ypsilon is the tight tolerances of the keys and bits. Tighter tolerances mean a better tool fit which drastically decreases the likelihood of rounding out fastener heads. These tight tolerances, combined with the CrV steel spine of the tool make Ypsilon incredibly durable. A lightweight composite body with ergonomic grips provides good comfort and control with the contact points of your hand.


Ypsilon Wrench

The Ypsilon Wrench is a workshop grade Y wrench with a quarter inch drive it is the perfect addition to your toolkit if you already own quality 1/4 drive hex and Torx bits.

Key Features
  • High strength CrV steel spine leading to 4mm and 5mm Hex
  • Lightweight composite body with ergonomic grips
  • ¼” bit collet with magnetic attachment


Ypsilon Travel Kit
The Ypsilon Travel Kit is a workshop grade Y wrench with a quarter inch drive and collections of Hex, Torx and screw bits.

Key Features
  • High strength CrV steel spine leading to 4mm and 5mm hex
  • Lightweight composite body with ergonomic grips
  • ¼” bit collet with magnetic attachment
  • S2 steel Hex bits: 1.5, 2, 2.5, 3, and 6mm
  • S2 steel Torx® bits: T8, T10, T15, T20, T25 and T30
  • S2 steel Screw bits: PH1, PH2, SL4 and SL5


Ypsilon Home Kit Box
The Ypsilon Home Kit Box is a workshop grade Y wrench with a quarter inch drive and collections of Hex, Torx and screw bits served up in a beautiful birch wood display/storage case.

Key Features
  • High strength CrV steel spine leading to 4mm and 5mm hex
  • Lightweight composite body with ergonomic grips
  • ¼” bit collet with magnetic attachment
  • S2 steel Hex bits: 1.5, 2, 2.5, 3, and 6mm
  • S2 steel Torx® bits: T8, T10, T15, T20, T25 and T30
  • S2 steel Screw bits: PH1, PH2, SL4 and SL5
  • Birch case with magnetic closure (Home Essentials kit only)

Occasionally, without notice, manufacturers change product design and/or specifications.

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Workshop Tools Guide

What are home and workshop tools?

Home and workshop tools allow you to tinker around with your bike to your heart’s content. Whether that’s making a simple height adjustment or building a bike from scratch, kitting yourself out with your own mini workshop will give you hours of pleasure which will either annoy or delight your significant other(s).

Who needs a home and workshop tools?

Even novice cyclists will benefit from learning a few simple techniques. However, the more cycling you do, the more likely you are to want to learn how everything works and carry out minor repairs yourself.

What are the choices?

There are home and workshop tools available for all levels of rider, from a full tool kit to a simple torque wrench.

What should I buy with it?

Bike stands hold your steed in place to keep it steady and an apron and a pair of gloves will save your clothing from damage or smudges.

Anything else?

If in doubt, take your bike to your local bike shop for repairs. Better to have an expert fix it than to accidentally cause a fair few pounds worth of damage by having a go yourself.

Delivery & Guarantee

UK Delivery Information

Please Note: Due to the current circumstances we are experiencing high demand so we may take a little longer than usual to despatch your order. Our Warehouse and Bike Build team are up and running as normal and we are taking active measures to ensure that we are following the government guidance with social distancing and additional health & safety measures have been put in place throughout the business. Please rest assured we will do everything we can to get your order to you as quickly as possible.

We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.

Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

Please note that Pre-Order dates can sometimes change due to updated stock information.

Click here for more UK and international delivery information.

International Deliveries - Temporarily Suspended 30/3/20

Covid-19 Update

During the Covid-19 outbreak we will be stopping all international deliveries until further notice. We will continue deliveries to the UK, Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Ireland, Northern Ireland, Isle of Wight, Jersey and Guernsey.

If you have any queries, please contact our Customer Service Team. The best way to contact us is to use Live Chat by clicking the widget at the bottom right of your screen.

Click here for more UK and international delivery information.

Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.