Brother Stroma frame set
Will and James, the brothers behind Brother Cycles, have given their all-road racer Stroma a little update. On the one hand, there is a fresh new design, which is available in two color variants, Electric Blue and Rubble, and you can also look forward to a little more tire clearance.
In recent years we have built Stromas with a wide range of different designs, as a sporty and lightweight steel racer with high profiles and a modern look, as well as a mudguard racing bike with lighting system for long distances and sporty trips. With the Stroma you can implement your ideas on the basis of a frame that leaves little to be desired: Reynolds 725 tube set, lightweight carbon fork with internal cable routing, mudguard mounting points - everything implemented sensibly and with high quality.
For us as fans of all-road bikes, the Stroma is a wonderful example of the one-for-all concept, a sporty all-rounder between a racing bike, a light gravel racer, a commuter with and without mudguards and lights or a bikepacking long-distance racer. Thanks to the increased tire clearance of 38mm without and 32mm with mudguards, you are prepared for many things, fast with 30 mm slicks on asphalt or slightly studded on forest highways - the Stroma is perfect.
The frame comes with Brother's own 1 1/8 - 1 1/2 full carbon fork including internal routing for light cables. The required headset is for 44mm, ZS44/28.6 above, EC44/40 below.
Further details of the frame can be found on the Brother website
We still have some frames from the previous series on offer, with slightly less tire clearance at a reasonable price, but only certain colors and sizes are still available.
Frame : Reynolds 725 heat treated chromoly, double butted main frame, ED coated. Rear triangle made of custom formed Reynolds 520/500 tubes.
Brake compatibility : Flat Mount, maximum disc size 160 mm
Rear dropouts : 12x142 mm thru axle (included)
Seat post diameter : 27.2 mm
Saddle clamp diameter : 30 mm (included)
Headset : 44 mm, ZS44/28.6 top, EC44/40 bottom (not included)
Front derailleur clamp diameter : 28.6 mm
Bottom bracket shell : 68 mm, ISO thread
Maximum tire clearance : Up to 700c x 38 mm (32 mm with mudguards)
Fork : Carbon monocoque disc fork with tapered head tube (1.5" - 1 1/8"), mounting points for mudguards. 12x100 mm thru axle (included), dynamo cable routing
Bottle cage mounts : 2 sets for all frame sizes
mounting points for luggage racks and mudguards
Di2 cable routing
Chainring clearance : Up to 53-39t (double), 50t (single)
Frame weight (medium): 1.97 kg
Fork weight (uncut steerer tube): 0.50 kg
You can pick up this item in our store at Oststraße 119, 40210 Düsseldorf. Simply select “Pickup” in the ordering process. After your order you will receive all the information about pickup.
ON REQUEST WITH BEARING INSTALLATION
We are happy to install the headset and bottom bracket before shipping
Just send us an email after your purchase
FREE SHIPPING
from 80€ order value
*Standard shipping within Germany
ALSO AVAILABLE AS A CONSTRUCTION
We are happy to build your individual structure with the frame
Size | xSmall | Small | medium | Large | xLarge |
---|---|---|---|---|---|
Seat Tube (CT) | 500mm | 520mm | 540mm | 560mm | 580mm |
Top Tube (CC) | 510mm | 526mm | 542mm | 557mm | 572mm |
Top Tube (Effective) | 522mm | 540mm | 557mm | 572mm | 587mm |
Head Tube | 110mm | 125mm | 140mm | 160mm | 180mm |
Head Angle | 71° | 72° | 72.5° | 72.5° | 72.5° |
Seat Angle | 74° | 73.5° | 73° | 73° | 73° |
BB Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Chainstay | 420mm | 420mm | 420mm | 420mm | 420mm |
Fork Length (AC) | 381mm | 381mm | 381mm | 381mm | 381mm |
Fork Rake | 45mm | 45mm | 45mm | 45mm | 45mm |
stack | 532mm | 550mm | 563mm | 585mm | 604mm |
Reach | 369mm | 377mm | 385mm | 393mm | 402mm |
Wheelbase | 990mm | 995mm | 1002mm | 1017mm | 1032mm |