KCNC Ti Pro Seatpost Carbon Rail Clamps Style:Black 30.9/31.6/34.9mm Adapter cups and bearings for

Adapter cups and bearings for the BB30 bottom bracket shell - to allow the use of standard non-BB30 cranks

Weighs 5g (steel lockrings weigh 15g)

They fit into the cranks after the crank bolts have been torqued up to prevent the ingress of dirt

Suitable for riders aged 3-4 years old with a minimum inside leg height

Weight : 140mm 63g

KCNC Ti Pro Seatpost Carbon Rail Clamps Style:Black 30.9/31.6/34.9mm Adapter cups and bearings forThe Ti Pro seat post has been limited to tough alloy rails and reinforced carbon rails due to the small contact areas of the clamp yokes and shell. These Carbon Rail Kits allow the use of any carbon railed saddle by providing a greater contact area for the clamps. Material: AL7075 Color: Black Content : yoke x2, shell x1 Weight 30g KIT A for 27. 2mm SP6 Ti Pro Lite seat post KIT B for 30. 9 31. 6 34. 9mm SP6 Ti Pro Lite seat post Note : Please observe