Mukka Pump Track Bike Specs, Geometry and Components

Mukka Pump Track Bike

Mukka Frame Specs

Material: 4130 chromoly steel. Heat treated.
Seat post diameter: 27.2 mm
Seat clamp diameter: Integrated seat clamp
Bottom bracket: BSA 73 mm threaded
Headset: upper 44.0 mm, lower 44.0 mm
Rear hub: 135 x 10 mm

Rigid fork included. Designed for 100 mm suspension forks. IS rear brake and front brake mounts.


Mukka Frame Geometry

Frame Size Small Large
Seat tube length 300.0 mm 300.0 mm
Top tube length 556.6 mm 603.3 mm
Head tube length 100.0 mm 125.0 mm
Head tube angle 68.5 degr. 68.5 degr.
Seat tube angle 74.0 degr. 74.0 degr.
Chainstay length 381.0 mm 381.0 mm
Wheelbase with 42 mm fork offset 1035.4 mm 1084.5 mm
Stack 528.8 mm 552.0 mm
Reach 405.0 mm 445.0 mm
Bottom bracket drop 10.0 mm 10.0 mm
Rider height 140 and over cm 170 and over cm


Mukka Components

Component Spec
Black square taper alloy forged crankarm 165 mm length
Square taper bottom bracket 73 x 127 mm threaded.
Black headset and headset spacer set AL6061. Semi-Integrated 28.6 mm Headset. 44 mm inner diameter.
Black stem AL6061. 28.6 x 40 mm.
Black handlebar 780 mm width. 31.8 mm clamp diameter. 10 mm rise.
Black seatpost 27.2 mm diameter. 300 mm length.
Black saddle Velo
Black grips Velo
Black rear brake lever and caliper. No front brake. Tektro
Chain 1/2" x 1/8" 114 links.
Black wheelset

Rear M10 x 135 mm bolt-on 32 hole hubs with freewheel, 6-bolt disc mount, sealed bearings and chromoly steel axle. Black stainless steel spokes w/brass nipples. Black 26" x 32H Double Wall aluminum rims. Front 100 x 15 mm, 6-bolt disc mount and black aluminum QR axle.

Black tire 26" x 2.20". Tubes with schrader valves.
Black pedals Wellgo