2025 Brother Cycles Pinecone Base

	Small	Small	Medium	Medium	Large	Large	XLarge	XLarge
Stack	538mm	538mm	553mm	553mm	567mm	567mm	590mm	590mm
Reach	389mm	389mm	405mm	405mm	415mm	415mm	422mm	422mm
Stack to Reach Ratio	1.38:1	1.38:1	1.37:1	1.37:1	1.37:1	1.37:1	1.4:1	1.4:1
Seat Tube Length, C-T	450mm	450mm	500mm	500mm	550mm	550mm	600mm	600mm
Top Tube Length, Effective/Horizontal HT Top	564mm	564mm	584mm	584mm	599mm	599mm	614mm	614mm
Top Tube Length, Actual C-C	539mm	539mm	563mm	563mm	584mm	584mm	606mm	606mm
Top Tube Slope	11.8deg	11.8deg	7.9deg	7.9deg	4.3deg	4.3deg	1.8deg	1.8deg
Head Tube Angle	70deg	70deg	70deg	70deg	70deg	70deg	70deg	70deg
Seat Tube Angle	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg
Head Tube Length	100mm	100mm	115mm	115mm	130mm	130mm	155mm	155mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm	55mm	55mm	55mm	55mm
Bottom Bracket Height	303mm	303mm	303mm	303mm	303mm	303mm	303mm	303mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	436.6mm	436.6mm	436.6mm	436.6mm	436.6mm	436.6mm	436.6mm	436.6mm
Front-Center	614.9mm	614.9mm	635.8mm	635.8mm	651.8mm	651.8mm	667.7mm	667.7mm
Front-Center Horizontal	612.5mm	612.5mm	633.5mm	633.5mm	649.5mm	649.5mm	665.5mm	665.5mm
Wheelbase	1049mm	1049mm	1070mm	1070mm	1086mm	1086mm	1102mm	1102mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	420mm	420mm	420mm	420mm	420mm	420mm	420mm	420mm
Trail	82.4mm very high	82.4mm very high	82.4mm very high	82.4mm very high	82.4mm very high	82.4mm very high	82.4mm very high	82.4mm very high
Mechanical Trail	77.5mm	77.5mm	77.5mm	77.5mm	77.5mm	77.5mm	77.5mm	77.5mm
Wheel Flop	26.5mm	26.5mm	26.5mm	26.5mm	26.5mm	26.5mm	26.5mm	26.5mm
Tire to Pedal Spindle	86.9mm 170 mm cranks	86.9mm 170 mm cranks	107.8mm 170 mm cranks	107.8mm 170 mm cranks	123.7mm 170 mm cranks	123.7mm 170 mm cranks	139.7mm 170 mm cranks	139.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	133mm 170 mm cranks	133mm 170 mm cranks	133mm 170 mm cranks	133mm 170 mm cranks	133mm 170 mm cranks	133mm 170 mm cranks	133mm 170 mm cranks	133mm 170 mm cranks

	Small	Small	Medium	Medium	Large	Large	XLarge	XLarge
Wheel Size	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD	650B/27.5 in 584 mm BSD
Tire Width	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in
Tire Width Max	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in
Tire Outer Diameter	716.1mm	716.1mm	716.1mm	716.1mm	716.1mm	716.1mm	716.1mm	716.1mm
Bike Length with Tires	1765.1mm	1765.1mm	1786.1mm	1786.1mm	1802.1mm	1802.1mm	1818.1mm	1818.1mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Rigid MTB

Source:https://www.brothercycles.com/shop/frames/pinecone/

Suggest Bike Edit

2025 Brother Cycles Pinecone Base

Geometry

Base Build

Stack and Reach vs. Category Trend