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Carbon Road Wheelsets - 700c


Overview

Nothing feels, performs, and lasts like a bespoke wheel. Every Bossi wheel is methodically hand built in store to exceptionally high standards, far above anything you would find off-the-shelf. Best in class components are selected to suit our customers needs and budget. Our wheels, true to our overarching philosophy, offer high performance without compromising durability - all backed by a 5 year warranty. 


The Rim
Our lightweight rim is manufactured from a blend of Torayca T700/800 carbon and is produced from a single mould resulting in a light, stiff, and durable construction free from voids. The bladder is painstakingly removed through the spoke holes and not cut and patched like other brands. Designed and optimised specifically for disc brakes and wider tyres, the rim features a large 22mm internal width which significantly improves tyre sidewall support and aerodynamics. Our carbon rims come in three depths (30,40,50mm) Our 30mm rims produce our lightest wheels which are excellent for climbing. The 40mm rim offers balanced aerodynamic gains and light weight making it an attractive 'all rounder'. The 50mm rim makes for our fastest wheel which holds speed exceptionally well, albeit with a slight weight penalty over the shallower rims.  Our wheels are engineered to withstand the stresses of both road and gravel riding, so ride them hard. 

 

The Build 
This is what sets our wheels apart. From the outside it seems all carbon wheels are the same, but it's what happens behind the scenes that tells the full story. Our wheels our built to exceptionally high standards and exacting tolerances. To start, all spokes are cleaned and threads treated with an anti-friction/ anti-vibration coating. This helps maintain spoke tension for years to come and prevents galvanic corrosion between nipple and spoke. Each wheel is then laced, dished and trued to +/- 0.1mm (radial and lateral). The final step is the most important, spoke tension variation is balanced below 5% meaning that the spokes are working evenly to keep your wheel true. A wheel with low spoke tension variation should never break and offer significantly better balance. To pull that into perspective, most off-the-shelf wheels build to <20% tension variation resulting in wheels that either fail to stay true or fail entirely.  The componentry is world class: Your choice of either Chris King, DT Swiss, or Bossi hubsets, offering unrivaled performance and durability, especially when knitted with legendary SAPIM CX-Ray spokes and nipples. All wheels are proudly backed by a straightforward 5 year warranty.


Tech Specs
RIm 22mm tubeless ready clincher - Torayca T700/800 Carbon Fibre
Brake Type Disc
Hub Options Bossi CLD, DT Swiss 350, DT Swiss 240 EXP, DT Swiss 180 EXP, Chris King R45D CLD
Spokes Sapim CX Rays
Nipples Sapim Secure Lock
Weight (set) Bossi CLD - 30mm = 1365g, 40mm = 1439g, 50mm = 1499g +/- 20g
Weight (set) DT Swiss 350 - 30mm = 1425g, 40mm = 1495g, 50mm = 1555h +/- 20g
Weight (set) DT Swiss 240 EXP - 30mm=1355g 40mm=1429g 50mm=1489g +/-20g
Weight (set) DT Swiss 180 EXP 30mm=1325g 40mm=1399g 50mm=1459g +/-20g
Weight (set) Chris King R45D 30mm=1445g 40mm=1525g 50mm=1585g +/-20g
System Weight 120 Kg
Tyre Pressure 120 PSI MAX
Tyre Size 25-50c
ERD 30mm=579mm 40mm=559mm 50mm=539mm
Warranty 5 years

HOW TO ORDER

As each wheelset is custom built, we recommend getting in touch with our expert team to discuss your needs. We can help provide information on componentry and advise you on which model would be best suited to your riding. If all parts are in stock we can build and dispatch orders within 48 hours.

Checkout notes
Freehubs:We offer Shimano, SRAM XD/XDR, and Campagnolo Freehubs (excl Chris King). Please specify your desired freehub in checkout notes

Colours: Chris King R45D hubs are available in multiple anodized colours. Please specify your preferred colour in checkout notes. Please note some colours will incur longer lead times if not in stock.

RIM TESTING

Flatness < 0.15mm
Roundness < 0.15mm
Vertical Drop Test = 55J (UCI requires only 40J)
Tyre Pressure Test = 150PSI @ < 0.3mm deformation
Compression Destructive Test = 664.4KgF
Spoke Tension Test = Safe limit 150KgF, Destruction @ 469KgF

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