The prime sr1d qr front end caps are replacement j bend front end caps for the prime sr1d disc brake front hub.

The prime sr1d qr rear end caps are replacement j bend rear end caps for the prime sr1d disc brake rear hub.

The prime sr1d rear axle is a 12mm rear axle that is compatible with the prime sr1d hub j bend and is for use with qr and bolt through thru axles.

The prime sr2 front axle is a quick release axle for the prime sr2 rim brake front hub. Please note that this axle is intended for the straight pull variant of this hub

The prime sr2 front end caps are quick release end caps for the prime sr2 rim brake front hub. Please note that this axle is intended for the j bend variant of this hub.

The prime sr2 front hub features japanese stainless steel bearings, rim brake compatibility and 20 spoke holes for smooth and reliable performance on your road bike.

The prime sr2 rear axle is a high quality quick release axle for the prime sr2 rim brake rear hub.

The prime sr2 rear end caps are quick release end caps for the prime sr2 rim brake rear hub.