Thompson BC-S (alloy, e-road) geometry

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178 cm · 5 ft 10 in
auto85 cm · 33.5 in
Size 53 (M)

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Geometry

Size47 (XS)50 (S)53 (M)55 (L)58 (XL)
Stack mm534.4554.5578.9599.1620.1
Reach mm368.8379.2389393.8398
Head tube angle °70.771.071.271.572.0
Seat tube angle °74.774.574.073.773.3
Head tube length mm100120145165185
Seat tube mm470500530550580
Chainstay mm435435435435435
BB drop mm7676767676
Fork rake mm5555555555
Stack to reach1.451.461.491.521.56
Effective top tube mmi515533555569584
Wheelbase mmi10161030104710551061
Size53 (M)key specs
Stack-to-reach (size 53 (M))1.49
More relaxed (taller and shorter) than 66% of road frames in the database at comparable sizes.

Closest geometry matches (size 53 (M))

Matched by stack, reach and head tube angle.

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Thompson geometry chart · Frame stack and reach to the head tube top · Size finder assumes a 100mm stem on 20mm spacers · Report an error