Surly Preamble (road bars) (2026)

allroad · steel · sizes X-Small–X-Large · tyres up to 41 mm (41 mm with mudguards) Manufacturer’s website

Geometry ?

Surly Preamble (road bars) 2026 geometry in sizes X-Small–X-Large: stack 517–643 mm, reach 352–421 mm, head angle 70–72°.

	X-Small	Small	Medium	Large	X-Large
Stack	517 mm	535 mm	567 mm	605 mm	643 mm
Reach	352 mm	381 mm	391 mm	404 mm	421 mm
Head angle	70°	71°	72°	72°	72°
Seat angle	74°	73°	72.5°	72°	72°
Seat tube (c-t)	410 mm	505 mm	565 mm	605 mm	645 mm
Head tube	120 mm	135 mm	130 mm	170 mm	210 mm
Top tube (effective)	500 mm	545 mm	570 mm	600 mm	630 mm
BB drop	54 mm	54 mm	66 mm	66 mm	66 mm
Chainstay	420 mm	420 mm	435 mm	435 mm	435 mm
Wheelbase	987 mm	1013 mm	1030 mm	1055 mm	1085 mm
Standover	722 mm	776 mm	826 mm	863 mm	901 mm
Fork length	380 mm	380 mm	400 mm	400 mm	400 mm
Fork offset	47 mm	47 mm	44 mm	44 mm	44 mm
Stock build by size
Cranks	165 mm	170 mm	170 mm	175 mm	175 mm
Stem	80 mm	80 mm	90 mm	100 mm	100 mm
Bar width	380 mm	400 mm	420 mm	440 mm	460 mm
Seatpost setback	0 mm	0 mm	0 mm	0 mm	0 mm

Source: surlybikes.com, checked 1 Nov 2026 · bar position: worked out from published data

Stock build

Preamble Drop Bar (Red Hot Cheddar) ≈ €1,471

Groupset: Shimano CUES 1×10 (U3030 levers, U6030 40T crank, U6000 GS RD, 11-48)
Shifters: Shimano CUES U3030
Cranks: Shimano CUES U6030 40T
Stem: TranzX JD-ST123A
Handlebar: TranzX JD-RA48A
Seatpost: Kalloy 27.2×300 mm, no offset
Saddle: WTB Volt Medium
List price: US$1,599 (surlybikes.com, 1 Nov 2026)

Source: surlybikes.com, checked 1 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size Medium (stack 567 / reach 391 mm).

Spotted a mistake or a missing build? Let me know.

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